Manuale d’uso / di manutenzione del prodotto InfiniiVision 6000 Series del fabbricante Agilent Technologies
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Agilent T echnologies Agilent InfiniiV ision 6000 Series Oscilloscopes User’ s Guide.
6000 Series Oscilloscope User’s Guide Notices © Agilent T echnologies, Inc. 2005-2008 N o p a r t o f t h i s m a n u a l m a y b e re p r o d u c e d i n any form or by any means (inc luding elec- tronic storage and retrieval or translation into a foreign language) without prior agree- ment and written consen t from Agilent T echnologies, Inc .
6000 Series Oscilloscope User’s Guide 3 In This User’ s Guide… This guide shows y ou how to use the A gilent Inf iniiVision 6000 Series oscilloscopes. It cont ains t he f ollo wing chapt ers and top ics: 1G e t t i n g S t a r t e d U npacking and setting up your oscilloscope, using Quick Help.
4 6000 Series Oscilloscope User’s Guide The Agile nt InfiniiVi sion 6000 Series oscillo scopes deliver po werful features and high per f or mance: • 100 MHz, 300 MHz, 500 MHz, and 1 GHz bandwidth models. • U p to 4 GSa /s sa mp le r ate. • P o werful triggering inclu d ing anal og HDT V , I 2 C, SPI, LIN, CA N, a nd US B .
6000 Series Oscilloscope User’s Guide 5 Ta b l e 1 Model Numbers, Bandwidths, and Sampling Rates Bandwidth 100 MHz 300 MHz 500 MHz 1 GHz Maximum Sample Rate 2 G Sa/s 2 GSa/s 4 GSa/s 4 GSa/s 2-Channe.
6 6000 Series Oscilloscope User’s Guide Memor y upg rades can be easily inst alled without re turning t he oscilloscope to a S ervice Center . These upg rades are license d. The foll owing options can be easi ly installed with out returning the osci lloscope to a S ervice Center .
6000 Series Oscilloscope User’s Guide 7 The follo wing option can not be installed af ter time of purchase. Vis it www .agilent.com/find/mso6000 to view the 6000A Series and 6000 L Series data sheets. Ta b l e 5 Order-Only Options Licensed Option Order Battery Operation (Option BA T) Avai la ble at time of purchase.
8 6000 Series Oscilloscope User’s Guide Built-in Quick Help A Quick Help system is built into the oscilloscope. Instructions for u sing the quick help system are given on page 58 .
6000 Series Oscilloscope User’s Guide 9 Contents 1 Getting Started 19 T o inspect p ackage contents 22 T o adjust the 6000A Series handle 28 T o mount the oscilloscope in a rack 29 T o mount the 600.
10 6000 Series Oscilloscope User’s Guide Contents Maximum input voltage for analog inputs 52 T o verify basic oscilloscope operation 52 T o compensate the oscilloscope probes 54 T o calibra te the p.
Contents 6000 Series Oscilloscope User’s Guide 11 6000A Series Front-Panel Operation 76 T o adjust the waveform intensity 76 T o adjust the display g rid (graticule) intensity 76 T o start and stop .
12 6000 Series Oscilloscope User’s Guide Contents Interpreting the digital waveform display 118 T o switch all digital channels on or off 119 T o switch groups of channels on or off 119 T o switch a.
Contents 6000 Series Oscilloscope User’s Guide 13 T o use Pulse Width triggering 142 < qualifier time set softkey 144 > qualifier time set softkey 144 T o use Pattern triggering 145 Hex Bus Pa.
14 6000 Series Oscilloscope User’s Guide Contents T o use TV triggering 187 Example exercises 191 T o trigger on a sp ecific line of video 191 T o trigger on all sync pulses 193 T o trigger on a spe.
Contents 6000 Series Oscilloscope User’s Guide 15 Automatic Measurements 239 T o make an automa tic measurement 240 T o set measurement thresholds 241 Tim e M e as ur e me nt s 243 Delay and Phase M.
16 6000 Series Oscilloscope User’s Guide Contents Using Serial Decode 271 To d e c o d e I 2 C data 272 T o decode SPI data 276 T o decode CAN data 281 CAN T otalizer 286 T o decode LIN data 288 T o.
Contents 6000 Series Oscilloscope User’s Guide 17 Saving oscilloscope data 320 Selecting a destination for your saved data 321 Selecting a file name 322 W aveform T race and Oscilloscope Setup 324 D.
18 6000 Series Oscilloscope User’s Guide Contents Digital channel signal fidelity: Probe im pedance and grounding 340 Input Impedance 340 Probe Grounding 342 Best Probing Practices 344 T o replace digital prob e leads 345 Binary Data (.
19 Agilent 6000 Series Oscilloscope User’s Guide A 1 Getting Started T o inspe c t package contents 22 T o adjust the 6000A Series handle 28 T o mount the oscilloscope in a rack 29 T o power-on .
20 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d ✔ V erify basic osci lloscope operation and compensate t he probes..
Getting Started 1 6000 Series Oscilloscope User’s Guide 21 Built-in Quick Help A Quick Help system is built into the oscilloscope. Instructions for u sing the quick help system are given on page 58 .
22 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d T o inspect package contents ✔ Inspect the shipping cont ainer for damage. If y o ur shipping container appe ars to be damaged.
Getting Started 1 6000 Series Oscilloscope User’s Guide 23 Figure 1 Package contents for 6000A Seri es AC-powered oscilloscopes Power cord (Part numbers given on page 37 ) *Digital Probe Kit contain.
24 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d Figure 2 Package contents for 6000 A Series batt ery-powered oscilloscopes (Option BA T) AC/DC power adapter Front-panel cover 6.
Getting Started 1 6000 Series Oscilloscope User’s Guide 25 Figure 3 Package contents for 6000 L Series oscilloscopes 6000L Series Oscilloscope Manuals and CD-ROMs Oscilloscope Probes 10073C or 10074C Qty. 4 Power cord (Part numbe rs given on page 37 ) 50 ohm feedthrough termination ad apter P/N 0960-030 1, Qty.
26 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d Ta b l e 6 Accessories availabl e Model Description N2918A 6000 Series Osci l loscope Evaluation Kit 1180CZ T estmobile oscillos.
Getting Started 1 6000 Series Oscilloscope User’s Guide 27 F or information on more probes and accessories see “5989-6162EN Probes and A ccessories Selection Guide” and “5968-8153EN 5000 and 6000 Series Oscilloscope Probes and A ccessories dat a sheet, available at www .
28 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d T o adjust the 6000A Series handle Y ou can use t he oscilloscope’s handle f or car r ying the instr ument, or y ou can use it as a stand to tilt t he instrument up f o r easier viewin g of its displa y.
Getting Started 1 6000 Series Oscilloscope User’s Guide 29 T o mount the oscilloscope in a rack The InfiniiVision 6000 Series osci lloscopes can be mounted into Electronic Industries As sociation (EIA) standard 19-inc h (487-mm) rack cabine ts. T o mount the 6000A Series oscilloscope in a rack Purchase and install the N2916A rack mount kit.
30 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d 1 Lo osel y at tach the Fron t Exte nde r Supp orts to the Rea r Extender Supports wit h f our (4) clip-nuts and four (4) of the 10-32 x 0.375 Rail Screws. (The scre ws require a Torx T20 driver .
Getting Started 1 6000 Series Oscilloscope User’s Guide 31 2 Fasten t he Rack Mount Extenders to t he oscilloscope chassis with t he f our (4) M3 x 6 mm screws, using a T or x T10 driver as f ollows.
32 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d Extenders to t he rack usi ng t he f our (4) remaining 10-32 x 0.375 Rail Screws. Use the T or x T20 driver . 5 Se cure ly attac h the R ear Exten der Supp orts to the Fr ont Extender Suppor ts by tightening the four (4) 10-32 x 0.
Getting Started 1 6000 Series Oscilloscope User’s Guide 33 T o power-on the oscilloscope AC-Powered 6000 Series 1 Co nnec t the p o we r cor d to the re ar of the os cill osc ope, then to a suit able A C voltage source. The oscilloscope automatically adjusts f or input line voltages in the range 100 to 240 V A C.
34 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d The 6000A Series Option BA T oscilloscopes are batter y po wered. They have additional LED indicators on t he front panel: Batter y life is appr oximatel y 1.75 hours, depending on the oscilloscope configuration .
Getting Started 1 6000 Series Oscilloscope User’s Guide 35 3 Press the pow er switch. The po wer switch is located on t he lo wer left corner of t he front panel. Some front panel lights will come on and the oscilloscope will be operational in a fe w seconds.
36 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d Charging the Battery When charging the batter y , t he operating tem perature should be in the rang e from 0 ° C to 45 ° C, ≤ 80% relativ e humidity.
Getting Started 1 6000 Series Oscilloscope User’s Guide 37 Ta b l e 8 Power Cords Plug T ype Cable Part Number Plug T ype Cable Part Number Opt 900 (U.K .) 8121-1579 Opt 918 (Japan ) 8121-16 03 Opt 901 (Austral ia) 8121 -1581 Opt 919 (Israel) 8121-166 2 Opt 902 (E urope) 8121-15 80 Opt 920 (Argen tina) 8121-1599 Opt 903 (U.
38 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d The remote interface Y ou can communicat e with all Infi niiVision 6000 Series oscilloscopes via L AN, US B, or GPIB. 6000A Series oscilloscopes can also be controlled using the front panel k eys.
Getting Started 1 6000 Series Oscilloscope User’s Guide 39 T o establish a LAN conne ction (6000A Series) 1 If the controller PC isn’t already connected to t he local area netw ork (L AN), do t hat first. 2 Get the oscilloscope’s netw ork parameters (hostname, domain, IP address, subnet mask, gateway IP , DNS IP , et c.
40 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d T o establish a LAN connection (6000L Series) 1 Connect a cable from your site Local Area Netw ork (L AN) t o the LAN port on the re ar p anel of the osc illo scop e. 2 Switc h on the oscillo scope po wer .
Getting Started 1 6000 Series Oscilloscope User’s Guide 41 F or mor e inf or mation about connecti ng to t he oscilloscope, refer to the A gilent Technologies US B/LAN/GPIB Interfaces Connectivity Guide . F or a print able electronic copy of the Connectivity Guide, dire ct y our W eb bro wser t o www .
42 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d T o establish a point-to-point L AN connection Stand-alone connection to a PC The follo wi ng pr oc edure describes how to est ablish a point-to-point (st and alone) conne ct ion to the os cil los cope .
Getting Started 1 6000 Series Oscilloscope User’s Guide 43 11 When the instr ument is f ound, select OK and OK to clos e the A dd Ins trument windo ws.
44 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d Controlling the oscilloscop e using a W eb browser A built-in W eb server allo ws c ommunication and control via a Ja va™ -enabled W eb bro w ser .
Getting Started 1 6000 Series Oscilloscope User’s Guide 45 possible to use a point-to-point connection (see page 42 ), but using a LAN is t he pref erred met hod.
46 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d Setting a password Whenever y ou connect t he oscilloscope t o a L AN, it is good pr acti ce to set a pass w ord to pr ev ent una uthori zed acc ess to the oscilloscope via W eb bro wser .
Getting Started 1 6000 Series Oscilloscope User’s Guide 47 2 Select the Mo dify Configu ration button. 3 Enter your desired passw ord, and click Apply Changes . 4 T o reset t he passw ord: • 6000A Series oscillo scopes - Press Utility & I/O & LAN Reset .
48 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d Function Keys Softkeys Hint appears when you roll over with mouse Main Menu (Left-click to select, Right- click for Quick Help.
Getting Started 1 6000 Series Oscilloscope User’s Guide 49 Scrolling and Monitor Resolution When using a monitor resolution of 1024 x 7 68 or less on t he re mote c om puter , y ou n eed to scr oll to ac cess the fu ll r emote front panel.
50 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d Printing the oscilloscope’ s display from a web browser T o print t he oscilloscope’s displa y from a web br owser: 1 Est ablish a connection to t he oscillosco pe as described in thi s cha pter a nd go to the osci llos cope ’s W elc ome page .
Getting Started 1 6000 Series Oscilloscope User’s Guide 51 T o connect the oscilloscope probes The analog input im pedance of t he 100 MHz oscilloscopes is fix ed at 1 M Ω . The 1 M Ω mode is for use with man y pass iv e probes and f or general purpose measurements.
52 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d T o verify basic oscilloscope operation If y ou have a 6000L Series oscilloscope, y ou will need to st art a W eb control session, as described on page 44 . 1 Press the Save/Recall ke y on t he front panel, the n press the Default Setup sof tk ey.
Getting Started 1 6000 Series Oscilloscope User’s Guide 53 5 Y ou should see a wave form on t he oscilloscope’s display similar to t his: If y o u see the wave form, but t he square wav e is not s haped correctly as sho wn abov e, per f or m the procedure “T o compensate t he oscilloscope probes” on page 54.
54 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d T o compensate the oscilloscope probes Y ou s houl d com pens ate y our osci llos cop e pr obes to match their characterist ics to the o scilloscope’s channels. A poorly compensated probe can introduce measurem ent errors.
Getting Started 1 6000 Series Oscilloscope User’s Guide 55 T o calibrate the probes The oscilloscope can accurately calibrate its analog oscilloscope channels to cer t ain activ e probes, such as InfiniiMax probes. Other probes, such as the 10073C and 1007 4C passive probes, do not require calibration.
56 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d Active Probes Supported By 300 MHz, 500 MHz, and 1 GHz Bandwidth Models A ctive probes that do not have their o wn ext ernal po wer suppl y re quir e su bstant ial p o we r fr om th e A utoPr ob e inte r fa ce.
Getting Started 1 6000 Series Oscilloscope User’s Guide 57 By 100 MHz Bandwidth Models The foll owing activ e probes use their own po wer supply. Theref ore, t hey can be used on all 6000 Series oscilloscopes, including the 100 MHz bandwidt h models.
58 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d Using Quick Help T o view Quick Help on 6000L Series oscilloscopes: Star t a W eb bro wser control session as described on page 44 and select Remote F ront P anel. To vie w Qu ick Help inf or mation, right-click on the softkey.
Getting Started 1 6000 Series Oscilloscope User’s Guide 59 Quick Help Languages At the time this manual was published, Quick Help was a vai lable in Eng lish, Simplified Chinese, Japanes e, German, Fre nch , a nd R uss ian . T o choose a Quick Help language in t he oscilloscope: 1 Press Utility , t hen press the Language sof tke y.
60 6000 Series Oscilloscope User’s Guide 1G e t t i n g S t a r t e d.
61 Agilent T echnologies Agilent 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls 6000L Series Oscilloscope Controls 62 6000A Series Oscillosco pe F ront-Panel Controls 66 6000A Series F.
62 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls 6000L Series Oscilloscope Controls The 6000L Series oscilloscope is designed to be remot el y controlled.
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 63 Front and Rear Panel Controls and Connectors 1. Power Switch Press once to swit ch po wer on; press again to switch pow er of f. See page 33 . 2. Power Indicator Illuminates g reen when po wer is on.
64 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls 7. Probe Compensation T erminals Use the signal at th ese termi nal s to ma tch ea ch pr ob e’s c hara cter isti cs to the oscilloscope channel t o which it is connecte d. See page 54 .
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 65 15. Digital Channels Input If you pur chased t he MSO upgrade you can vie w and trigger on digit al signals. See page 111 . 16. USB Host Port Connect a USB compliant mass storage device to store or recall oscilloscope setup files o r wa vef or ms.
66 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls 6000A Series Oscilloscope Front-Panel Controls This is an introduction to the front-panel contr ols of t he Agilent 6000A Series oscilloscope. Generally , yo u set up t he front-panel controls and then mak e a measurement.
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 67 Conventions Throughout this book, the front-panel k eys and softkeys are denoted by a change in f ont. F or example, the Cursors key is in the Measure section of t he fr ont panel. The Acq Mode so ftkey is the left -mos t so ftk ey whe n the Ac qui re m enu i s di spl a ye d.
68 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls 4-Channel 6000A Series Os cilloscope Front Panel The fo llowing diagram sho ws the front panel of the 6000A Series 4-channel oscilloscopes. The controls of the 2-channel oscilloscopes are very simila r .
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 69 Front Panel Controls 1. Power Switch Press once to swit ch po wer on; press again to switch pow er of f. See page 33 . 2. Intensity Control Rota te clo ckwi se to i ncr ease anal og wa vef orm in tensi ty; coun terc loc kwis e to de crea se.
70 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls 6. V ertical Position Control Use this k nob to cha nge th e channel’s vertical position on t he displa y. Ther e is one V er tical P osition control f or each channel. See “Using t he analog channels” on page 83.
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 71 14. Utility Key Press th is k ey to access t he Utility menu, which lets you configure the oscillosco pe’s I/O settings, printer configuration, f ile explorer , service menu, and ot her options.
72 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls Run mode) then you are looking at the wav eform dat a from the last acquisition t ak en. See “T o set up the Horizont al time base” on page 88. 19. Horizontal Menu/Zoom Key (Labeled Main/Delayed on older models.
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 73 24. AutoScale Key When y ou press t he A ut oScale k ey the oscilloscope will quickly dete rmine which channels ha ve activity , and it will tur n these channels on and scale them t o display the in put sign als.
74 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls 2-Channel 6000A Series Oscilloscope Front Panel (differences only) Figure 7 6000A Series 2-Channel Os cillosc ope Front Panel The diff.
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 75 Interpreting the display The oscilloscope display contains acquired wav eforms, setup information, measurement results, and softkeys f o r setting up parameters.
76 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls 6000A Series Front-Panel Operation This section provides a brie f overview of operating the front-panel controls. Detail ed oscilloscope operating instructions are provided in later chapters.
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 77 T o start and stop an acquisition • When y ou press t he Run/Stop ke y , it illuminates in g reen and the oscilloscope is in continuous r unning mode. The oscilloscope examines the in put voltage at each pr obe, and updates t he displa y whenev er t he trigger condi tions are met.
78 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls T o make a single acquisition When y ou press t he Single k ey it illuminates in yello w and t he oscilloscope st arts t he acquisition system, searching f or t he trigger condition.
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 79 2 If y ou are triggering on anal og channel e vents, turn t he Trig ger Lev el kn ob to the tri gger thres hol d to a l ev el th at y our wa veform will cr oss. 3 T o begin a sing le acquisition, press t he Single key .
80 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls 3 Tu rn the Horizont al P osition knob () to pan horizont ally and turn t he channel’s v er tical position knob ( ) t o pan ver t ic al ly.
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 81 T o make t he oscilloscope remai n in t he acquisiti o n mode y ou ha ve chosen, press t he AutoScale Acq Mode sof tke y and select Preserve Acquisition Mode . Ot her wise, the acquis ition mode will default to Normal whenever the AutoScale key is pressed.
82 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls around the oscilloscope’s B N C connec tor . Therefore, the oscilloscope will automatically set the att enuation factor for recognized Agilent passive pr obes.
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 83 Using the analog channels Connect the oscilloscope prob es for channels 1 and 2 to the Probe Com p output on t he front panel of the instr ument. 1 Press the 1 ke y in the Analog section of t he oscilloscope’s front panel to display the Channel 1 menu.
84 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls V ertical sensitivity Tur n the large knob abo ve the channel key to set t he sensitivity (v olts/division) for the channel. The vertical sensiti vity knob changes t he analog channel sensitivity in a 1-2-5 step sequence (wit h a 1:1 pr obe att ached).
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 85 2 Press the channel’s on/of f ke y , t hen press the Coupling sof tk ey to select t he input channel coupling. Coupling changes t he channel' s input coupling to either AC (alternating cur rent) or DC (direct current) .
86 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls • 50 Ohm mode mat ches 50-ohm cables commonly used in making high frequency meas urements, and 50-ohm active probes. This im pedance matching gives y ou the most accurate measurements sinc e ref lections are minimiz ed along the signal pat h.
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 87 6 Press the Pro be softke y t o displa y t he channel pr obe menu. This menu lets you select additional pr obe parameters s uch as attenuation factor and units of measurement for the connect ed pr ob e.
88 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls • Calibrate Probe — See “T o calibrat e the probes” on page 55. T o set up the Horizontal time base 1 Press the Menu/Zoom ke y (lab eled Main/Delayed on older models) in t he Horizont al section of the front panel.
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 89 2 Tu rn t he large knob (time/ division) in the H orizont al section and notice the change it mak e s to the st atus line.
90 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls • Wh en the h ori zonta l mod e is s et to M ain , the h oriz ontal position knob positions th e main sw eep relative to t he trigger . This delay is a fixed number . Changing t his dela y value does not affect the sw eep speed.
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 91 Zoom mode Zoom sweep is an expanded version of main sweep. When Zoom mode is selected, t he display divides in half and the Zoom s wee p i c o n di s pl ay s in t h e m id d l e o f t h e l i n e a t t h e t op o f t h e displa y.
92 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls The area of the m ain display that is expanded is intensi fied and marked on each end with a v er tical marker . These markers sho w what por tion of the ma in sw eep is expand ed in the low er half.
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 93 T o change t he sweep speed f or t he Zoom sweep windo w , tur n the sweep speed knob. As you turn the knob, t he sweep speed is highlighted in the status line abov e the wav eform displa y area.
94 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls • In Roll mode there is no trigger . The fixed ref erence point on the screen is t he right edge of the screen and refers to th e current moment in time. E v ents t hat ha ve occur red are scrolled to the lef t of t he ref erence point.
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 95 T o make cursor measurements Y ou can use the cursors to make custom v olt age or time measurements on osc illosc ope signals, and timing measurements on digit al channels.
96 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls T o make automatic measurements Y ou can use aut omatic measurements on any channel sour ce or an y r unning math function. Cursors are tur ned on to focus on the most recently selected me asurement (right-most on t he measurement line above the sof tk eys on the displa y).
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 97 Using Labels Y ou can def ine labels and assign them t o each analog in put channel, or you can turn labels off t o increase the wavef or m displa y area. Labels can also be applied t o digital channels on MSO models.
98 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls T o assign a predefined label to a channel 1 Press the Label ke y. 2 Press the Channel sof tk ey , t hen turn the Entr y knob or successivel y press t he Channel softkey to select a channel f o r label assignment.
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 99 T o define a new label 1 Press the Label ke y. 2 Press the Channel sof tk ey , t hen turn the Entr y knob or successivel y press t he softke y t o select a channel f o r label assignment.
100 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls T o load a list of labels f rom a text file you create It may be conv en ient to creat e a list of labels using a text edit or , then loa d the l abel lis t into the os cill osc ope.
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 101 T o reset the label library to the factory default 1 Press Utility & Options & Preferences . 2 Press the Defau lt Librar y softke y. This will delete all user- def ined labels from the librar y and set the labe ls in the librar y back t o the fa ctor y default.
102 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls T o set the clock The Clock menu lets you set the current date and time of da y (24-hour f or mat). This time/dat e stamp will appear on har dcopy prints and director y information on the USB mass st orage device.
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 103 T o set up the screen saver The oscilloscope can be configured to turn on a display screen sa ver when the oscill oscope has be en idle for a specified lengt h of time. 1 Press Utility & Options & Preferences & Screen Saver to d isp la y the screen sav er menu.
104 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls 3 Tu rn the Entr y knob t o select the number of minutes t o wait bef o re the selected screen s a ver activates. When y ou tur n the Entr y knob, t he number of minutes is display ed in t he Wa i t sof tk ey.
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 105 T o perform service functions • Press the Utility & Service to display the service menu. The Service Menu lets y ou: • P er f orm User Cal on the oscillosc ope. • View User Cal status.
106 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls P er forming User Cal will invalidate your Certificat e of Calibration. If NIST (National Institute of Standards and T echnology) tra.
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 107 F or a 4-channel oscilloscope, connect BNC tees to t he equal-length cables as shown belo w .
108 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls probes do not need to be calibrated, but Inf iniiMax pr obes can be calibrat ed. F or more information ab out calibrating probes see page 55 .
Front-Panel Controls 2 6000 Series Oscilloscope User’s Guide 109 Installed licenses: This line in the About This Oscilloscope dialog cont ains information about the licenses t hat ha ve been installed on t he oscilloscope.
110 6000 Series Oscilloscope User’s Guide 2 Front-Panel Controls T o restore the oscilloscope to its default configuration • Press the Save/Recall ke y , then press t he Default Setup softke y. The default conf iguration returns th e oscilloscope t o its defau lt settings.
111 Agilent T echnologies Agilent 6000 Series Oscilloscope User’s Guide 3 V iewing and Measuring Digital Signals T o connect the digital probes to the circuit under test 112 Acquiring waveforms usin.
112 6000 Series Oscilloscope User’s Guide 3 Viewing and Measuring Digital Signals T o connect the digital probes to the circuit under test The digit al channels are enabled on MSO6000 models and DSO6000 models which ha ve the MSO upg rade license installed.
Viewing and Measuring Digital Signals 3 6000 Series Oscilloscope User’s Guide 113 the osci lloscope. Snap t he wide end of t he cable guide in place, being carefu l no t to pinch the cable. 4 Connect the g round lead on each set of channels (each pod), using a probe grabber .
114 6000 Series Oscilloscope User’s Guide 3 Viewing and Measuring Digital Signals 6 Connect the g rabber to a node in the circuit you want to test. 7 F or high-spe ed signals, connect a g round lead to th e pr ob e lead, connect a grabber t o the g r ound lead, and att ach the gra bbe r to gr oun d in th e ci rc uit unde r tes t.
Viewing and Measuring Digital Signals 3 6000 Series Oscilloscope User’s Guide 115 8 Repeat steps 3 t hr ough 6 until you ha ve conn ected all poin ts of interest. Acquiring waveforms using the digital channels When you press Run/Stop or Si ngle t o run the oscilloscope, t he oscilloscope examines t he input v olt age at each input pr o be.
116 6000 Series Oscilloscope User’s Guide 3 Viewing and Measuring Digital Signals T o display digital channels using AutoScale When signals are connected to the digit al channels, A ut oScale quickly configures and disp la ys t he digital channels. • T o conf igure t he instrume nt quickly , press the AutoScale ke y.
Viewing and Measuring Digital Signals 3 6000 Series Oscilloscope User’s Guide 117 configuration by pressing t he Save/Recall k ey , then th e Default Setup sof tk ey. Then press t he AutoSca le key. Y ou should see a displa y similar t o the follo wing.
118 6000 Series Oscilloscope User’s Guide 3 Viewing and Measuring Digital Signals Interpreting the digital waveform display The foll owing figure sho ws a typical display with digital channels. Activity indicator When an y digit al channels are turn ed on, an activity indicator is displa yed in t he status line at t he bottom of the display.
Viewing and Measuring Digital Signals 3 6000 Series Oscilloscope User’s Guide 119 T o switch all digital channels on or off 1 Press the D15 T hru D0 ke y t o switch the display of the digital channels on or off. The Digit al Channel Menu will be display ed abov e t he softkeys.
120 6000 Series Oscilloscope User’s Guide 3 Viewing and Measuring Digital Signals T o change the displayed size of the digital channels 1 Press the D15 T hru D0 key . 2 Press the size ( ) sof tk ey to select ho w t he digital channels are displa yed.
Viewing and Measuring Digital Signals 3 6000 Series Oscilloscope User’s Guide 121 function changes depending on which menu is display ed. F or examp le, when assigning Labels on digital channels the Entr y knob selects th e channel to which t he Label will be applied.
122 6000 Series Oscilloscope User’s Guide 3 Viewing and Measuring Digital Signals T o display digital channels as a bus Digit al channels ma y be grouped and displa yed as a bus, with each bus value display ed at t he bottom of th e displa y in hex or binar y.
Viewing and Measuring Digital Signals 3 6000 Series Oscilloscope User’s Guide 123 The buses are sho w n at the bott om of t he display. Using cursors to read bu s values T o read the digit al bus va.
124 6000 Series Oscilloscope User’s Guide 3 Viewing and Measuring Digital Signals 4 Use the Entr y knob and t he X1 and X2 sof tk eys to positio n the cursors where y ou wan t to read the bus values.
Viewing and Measuring Digital Signals 3 6000 Series Oscilloscope User’s Guide 125 Bus values are displayed when using Pattern trigger The bus values are also displa yed when using t he Pattern trigger function.
126 6000 Series Oscilloscope User’s Guide 3 Viewing and Measuring Digital Signals.
127 Agilent T echnologies Agilent 6000 Series Oscilloscope User’s Guide 4 T riggering the Oscilloscope Selecting T rigger Modes and Conditions 130 The External T rigger input 136 T rigger T ypes 139.
128 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope The Agilent In finiiVis ion 6000 Series oscill oscopes pro v ide a full se t of f eatu res to hel p auto mate yo ur me asur eme nt tasks. MegaZoom technology lets y ou capture and examine untriggered wav eforms.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 129 • Trigger Out connect or T o manually control T riggering on 6000L models st art t he Remote F r ont Panel (see page 44 ) and select T rigger from the Main Menu.
130 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope Selecting T rigger Modes and Conditions The trigger mode affects the way in which the oscilloscope searches for the trigger . The f igure below sho ws th e conceptual represent ation of acquisition m emor y.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 131 T rigger modes: Normal and Auto An introduction to Normal and A u to trigger modes is given on page 80 . 1 Press the Mode/Coupling ke y. 2 Press the Mode sof tke y , t hen select Normal or Auto .
132 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope Normal mode Use Normal trigger mode f or lo w repetitive-rate sign als or when A u to trigger is not required. In Normal mode the oscilloscope must fill t he pre-trigger buff er with dat a before it will begin sear ching for a trigger ev ent.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 133 T o select trigger Coupling 1 Press the Mode/Coupling ke y. 2 Press the Coupling sof tk ey , t hen select DC, AC, or LF Reject coupling. • DC coupling allo ws DC and A C signals int o the trigger path.
134 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope • HF Reject adds a 50 kHz lo w-pass f ilter in the trigger path to remov e high frequency components fr om t he trigger wa veform.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 135 Holdoff Operating Hints Holdoff keeps a trigger from occurri ng until after a certain amount of time has passed sinc e the last trigger . This feat ure is valuable when a wavef orm crosses the trigger level multip le times during one period of the waveform.
136 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope The External T rigger input Th e Ex te r nal T rig ger inpu t c an b e u sed as a so urce in sever al o f the trigger types. On 2-channel oscilloscopes, the ext ernal trigger BNC in put is on the front panel and is labeled Ext T rigger .
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 137 When you connect an Au t oProbe self-sensing probe, the oscilloscope will automatically configure your probe to the correct atten uation factor . Note t hat the AutoProbe f eature is not available on 100 MHz bandwidth models.
138 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope • 1M Ohm mode is for use with many passive probes and f or general-purpose measu rements. The higher im pedance minimizes the loading effect of the oscilloscope on the circ uit under test.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 139 T rigger T ypes The oscilloscope lets you synchronize the display to t he actions of th e circuit under test by def i ning a trigger condition. Y ou can use any in put channel or t he Ext Trigger BNC as t he source f or most trigger types.
140 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope T o use Edge triggering The Edge trigger type id entif ies a trigger b y looking for a specified edge (slope) and voltage level on a wa vef or m. Y ou can define t he trigger source and slope in this menu.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 141 3 Select the trigger sour ce. Y ou can select analog channel 1 or 2, Ext, or Line as t he trigger source on an y A gilent 6000 Series oscilloscope.
142 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope set the t hreshold lev el (TTL, CMOS , ECL, or us er defined) for the select ed digital channel g r oup. The t hreshold value is displa yed in the upper -right corner of the display.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 143 The channel you select is sho wn in t he upper -right corner of the d isp la y nex t to th e pol arit y sym bol . The source can be any analog or digital channel avail able on y our oscillosco pe.
144 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope F or example, f or a positive pulse, if y o u set t>10 ns: • within a range of time values ( >< ).
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 145 T o use Pattern triggering The Patter n trigger identif ies a tr igge r condition by looking for a specifi ed patter n. This patter n is a logical AND combination of the channels.
146 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope A djust t he trigger lev el for the selected analog channel by turning the Trigger Lev el knob. Press the D15 Thru D0 ke y a n d select Thresholds to se t the th resh old l ev el fo r dig ital channels.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 147 Hex Bus Pattern T riggering Y ou can s pecify a bus value on which t o trigger . To do this, f irst define the bus. See “T o display digital channels as a bus” on page 122 for details.
148 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope T o use CAN triggering Controller Area N etwork (C AN) trigger will trigger on CAN version 2.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 149 softkey , t hen press the Settings soft k ey to display C AN trig ger menu. 2 Repeat edly press and release the T rigger: so f tk ey or r otate the Entr y knob to select the trigger condition.
150 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope • Error Frame - The oscilloscope wi ll trigger on C A N activ e error frames. • All Errors - The oscilloscope wil l trigger when any f or m error or active error is encountered.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 151 5 Repeat edly press and release the Baud softke y to set the CAN si gnal baud rate to matc h y our C AN bu s si gnal .
152 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope T o use Duration triggering Duration trigger lets you define a patter n, then trigger on a specified time duration of this logical AND combin ation of t he channels.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 153 A djust t he trigger lev el for the selected analog channel by turning the Trigger Lev el knob. Press the D15 Thru D0 ke y a n d select Thresholds to se t the th resh old l ev el fo r dig ital channels.
154 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope < qualifier time set softkey • When the less than ( < ) qu alifier is s elected, the E ntr y knob sets the oscilloscope t o trigger on a patter n duration less than t he time value displa yed on the so ftke y.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 155 T o use FlexRay triggering The N5432A FlexRa y triggering an d decode option, along wit h the A gilent VPT1000 pr ot ocol analyzer and its MSO communications cable, allo w a 6000 Series mixe d-signal oscilloscope to: • Control the VPT1000 (without a PC).
156 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope Oscilloscope Cont rols the VPT1000, Synchronous Mode Monitoring Y ou can see a synchronous and time-correlat ed displa y of segment and slot timing boun daries by importing a FIBEX (Field Bus Exchange f ormat) f ile t hat defines the g lobal FlexRay schedule.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 157 Specifying the V PT1000 LAN Address This is necessar y when the oscilloscope controls the VPT1000 (but not when a PC with J8130A Option 200 sof tware controls the VPT1000). 1 From the VPT1000 Menu, press the LAN Address softke y to access the VPT1000 L AN Addresses Menu.
158 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope Note that the VPT1000 is shipped pre-conf igured with an IP address of 192.168.80.<serial number>, and a subnet mask of 255.255.240.0. See the VPT1000 user manual for more information.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 159 In Asynchronous Mode 1 Press the Baud sof tk ey to select a baud rate of 2.5 Mb /s , 5M b / s , or 10 Mb/s .
160 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope T riggering on FlexRay Fr ames, Times, or Erro rs Accessing the FlexRay T r igger Menu 1 In the T rigger section on the front panel, press the More key . 2 Press the T rigger softke y , and use the Entr y knob to select FlexRay .
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 161 This is the c y cle count in the frame heade r , not th e instance in time where that cycle begins.
162 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope 4 Press the Cyc C t Bas sof tk ey , and use t he Entr y knob to select the cycl e count base value from 0 thr ough the Cyc C t Rep value minus 1, or All .
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 163 • TSS Violation — transmission star t sequence violation. • Header CRC Error — cy clic redundan cy check er ror in the header . • Frame CRC Error — cy clic redundancy check error i n t he frame.
164 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope T o use I 2 C triggering An I 2 C (Inter -IC bus) trigger setup consists of connecting t he os ci llo sc ope to the s er ial d.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 165 2 Press the Signals sof tk ey to display the I 2 C signals menu. 3 Connect an oscilloscope channel to the SCL (serial clock) line in t he cir cui t un der te st, th en se t the SCL clock channe l so f tk ey to that chan nel.
166 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope Dat a needs to be stable during the whole high clock cy cle or it will be interpreted as a st ar t or stop condition (data transitioning while t he clock is high).
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 167 • EEPROM Data Read — The trigger look s f or EEPROM control byte value 1010xxx on the SD A line, follo wed by a Read bit and an A c k bit. It then looks for the dat a value and qualif ier set by the Data softkey and the Data is sof tk ey.
168 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope • Frame (Start: Addr 7: Read: Ack: Data: Ack: Data2) or Frame (Start: Addr7: W rite: Ack: Data: Ack: Data2) — The oscilloscope triggers on a read or write frame in 7-bit addressing mode on the 26t h clock edge if all bits in t he patter n match.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 169 Press the Data is softkey to set the oscilloscope to trigger when data is = (equal t o), ≠ (not equal to), < (less than), or > ( greate r tha n) the data v alue set in the Data sof tk ey.
170 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope T o use Nth Edge Burst triggering The Nth Edge Burst trigger lets yo u trigger on the Nth edge of a burst that occurs af ter an idle time.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 171 3 Press the Slope sof tke y t o specify t he slope of t he edge. 4 Press the Idle sof tk ey; then, turn t he Entr y knob to specify the i dle time . 5 Press the Edge softk ey; then, turn th e Ent r y kn ob to whic h edge to trigger on.
172 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope T o use LIN triggering LIN (Local Interconnect Netw or k) tr igger setup consists of connecting t he oscilloscope to a seri al LIN signal.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 173 1 Press the More ke y in t he Trigger section of the front panel, rotate t he Entr y knob until LIN is display ed in t he T rigger sof tk ey. 2 Press the Settings sof tk ey to display LIN trigger menu.
174 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope 4 Press the Signals sof tk ey. The LIN Signals Menu will be display ed. 5 Press the Source sof tk ey to select the channel connected t o the L IN s igna l li ne. A djust t he trigger lev el for the selected analog channel by turning the Trigger Lev el knob.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 175 T o use Sequence triggering Sequence trigge r lets y ou trig ger the oscillo scope aft er f inding a sequence of ev ents. Def ining a sequence trigger requ ires three steps: 1 Define an event to find befo re y ou search for the trigger .
176 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope As y ou set st age, ter m, and channel definitions for the sequence trigger , these s ettings will be sho w n in the wa veform area of the displa y.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 177 Define the Find: stage 1 Press the Stage sof tk ey and select Find: . Find : is the f irst st age in the trigger sequence.
178 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope • X sets the patt ern t o don't care on the select ed channel. An y channel set t o don't care is ignored and is not used as par t of the patter n. If all channels in the patter n are set to don't care, th e oscilloscope will not trigger .
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 179 • Pattern 2 Entered — A pattern is ent ered on the last edg e that mak e s the patter n true (logical AND). • Pattern 2 Exited — A patter n is exited on the f irst edge that mak e s the patter n false (logical N AN D).
180 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope When Nth Edge 2 (no re-find) is selected, if the Find event occurs again bef ore t he Count (N) ev ent is satisf ied, the Count (N) is not reset to zero. b Press the Te r m sof tk ey and select Count (N) .
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 181 5 If yo u select a patt ern t erm, each channel in th e pattern must be set to a H (high), L (l ow), or X (don't care). a Press the Channel so ftk ey (o r r ota te th e E nt r y k no b o n mix ed-signal oscilloscopes) t o select the channel.
182 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope T o use SPI triggering Serial P eripheral Inte rface (SPI) trigger setup consists of connecting the oscilloscope to a clock, data, and framing signal. Y ou can t hen trigger on a data patt ern that occurs at t he star t of a frame.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 183 Assign channels # data b its in string Data bit select Set all data bits to value Trigger level or threshold Currently selecte.
184 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope Assign source channels to the clock, data, and frame signals 1 Press the Signals sof tk ey to access SPI trigger settings for clock source and slope, data source, and frame type and source.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 185 4 Press the Dat a softkey or turn the Entr y knob t o select the channel that is connect ed to th e SPI serial dat a line.
186 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope Y ou can set t he oscilloscope to trigger during a high chip select ( CS ), a low chip select ( ~CS ), or afte r a Time o ut period during which the clock signal has been idle.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 187 The Timeout value can be set anywhere from 100 ns to 10 s. 6 Pr ess th e up- arro w so f t ke y to r eturn to the p rev ious menu .
188 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope The oscilloscope’s MegaZoom III t echnology gives y ou bri ght, easily vie wed displa ys of any part of t he video wav eform. Analysis of video wa vef o rms is simplified by the oscilloscope’s ability to trigger on an y selected line of the video signal.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 189 The select ed trigger source is display ed in t he upper-right corner of the displa y. T urning the Trigger Level knob does not change th e trigger lev el becau se the trigger level is au tomat ical ly set to the sy nc pulse.
190 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope • Line — Trig ger on the select ed line # (EDT V and H DT V stan dar ds only ). • Line: Field1 and Line:Field2 — Trigger on the selected line # in field 1 or f ield 2 (interlace d st andards only ex cept 1080i).
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 191 Ta b l e 1 2 Line (or count for Generi c) numbers per field for each non-HDTV/EDTV vi deo standard Ta b l e 1 3 Line numbers for each EDTV/HD TV video standard Example exercises The f ollo wing are exer cises to familiarize y ou with T V triggering.
192 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope O n e e x a m p l e o f t r i g g e r i n g o n a s p e c i f i c l i n e o f v i d e o i s l o o k i n g a t the vertical int erval test signals (VITS), which are typically in line 18.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 193 T o trigger on all sync pulses T o quickly find maximum video le vels, y o u could trigger on all sync pulses. When All Lines is select ed as the T V trigger mode, the osci lloscope will trigger on all horizontal sync pulses.
194 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope T o trigger on a specific field of the video signal T o examine the components of a video signal, tri gger on eit her Field 1 o r Field 2 (available f or int erlea ved st andards).
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 195 T o trigger on all fields of the video signal T o quickly and easily vie w transitions between fields, or t o find the amplitude dif f ere nces betw e en the f ields, use t he All Fields trigger mode.
196 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope T o trigger on odd or even fields To c h e c k t h e e n v e l o p e o f y o u r v i d e o s i g n a l s , o r t o m e a s u r e w o r s t case distor tion, trigger on t he odd or even fields.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 197 If a mor e det ailed ana lysis is requir ed, th en only one color f ield should be selected to be the trig ger . Y ou can do this by using the TV Holdoff sof tk ey in th e trigger More T rigger Menu when th e trigger type is set to TV .
198 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope Ta b l e 1 4 Half-field hold off time Figure 20 Using TV Holdoff to Synchronize to Color Field 1 or 3 ( F ield 1 mode) Standard Time NTSC 8. 35 ms PA L 1 0 m s PA L - M 1 0 m s SECAM 10 ms Generic 8.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 199 T o use UART/RS232 triggering T o trigger on a U ART (Universal Asynchr onous Receiver/Transmitt er) signal connect t he oscilloscope to t he Rx and Tx lines and set up a trigger condition.
200 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope 3 Press the Signals sof tk ey to display the U ART/RS232 signals menu. 4 Connect an oscilloscope channel to t he Rx signal in the circuit under test (the t arget system), t hen press the Rx so f tk ey a nd r otate the En tr y k nob to sel ect th e cha nnel .
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 201 8 Press the Bus Config sof tke y and set t he f ollowing parameters. a# B i t s : Set the number of bits in t he U ART/RS232 wor ds t o match your targ et system (selec table from 5-9 bits).
202 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope • Rx X:Data: F or use when the t arget system data wor ds are 9 bits in length including the aler t bit (t he 9th bit). T riggers on a data b yte that y ou sp eci fy re gar dles s of the va lue o f the 9 th (a lert) b it.
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 203 15 Remember t o set the trig ger mode to Normal (pr ess Mode/Coupling → Mode → Normal ) to prev ent Auto Triggering.
204 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope T o use USB triggering USB trigger will trigger on a St ar t of P acket (SOP), End of Pack et (EOP) signal, Reset Complete (R C), Ent er Suspend (Suspend), or Exit Suspend (Exi t Sus) on the dif f erential USB dat a lines (D+ and D-).
Triggering the Oscilloscope 4 6000 Series Oscilloscope User’s Guide 205 As yo u press t he D+ or D– s oftk e y ( or ro tate the Ent ry kn ob on mix ed-signal oscilloscopes), the D+ and D– label for the source channel is automatically set and the channel y o u select is sho wn in t he upper -right corner of the displa y next to “ USB ”.
206 6000 Series Oscilloscope User’s Guide 4 Triggering the Oscilloscope The T rigger Out connector Y ou can select one of t he f ollowing signals to be output at the TRIG OUT connector on t he rear .
207 Agilent T echnologies Agilent 6000 Series Oscilloscope User’s Guide 5 Making Measurements T o use the XY horizontal mode 208 Math Functions 213 Cursor Measurements 232 Automatic Mea surements 23.
208 6000 Series Oscilloscope User’s Guide 5 Making Measurements T o use the XY horizontal mode The XY horizont al mode conv er ts the oscilloscope from a v olts-versus-time display to a v olts-versus-volts displa y using tw o input channels. Channel 1 is the X-axis in put, channel 2 is the Y -axis input.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 209 Figure 21 Exampl e of centering a signal on th e display Figure 22 Signal centered on the di splay 4 Press the Cursors key . 5 Se t the Y 2 cur sor to the top of th e sig nal , and set Y 1 to the bottom o f the signal.
210 6000 Series Oscilloscope User’s Guide 5 Making Measurements N ote the ∆ Y value at t he bottom of t he displa y. In t his examp le, we are using the Y cursors, but y ou could ha ve used the X cursors in stead. Figure 23 Cursors set on displayed signal 6 Mo ve the Y1 and Y 2 cursors to the inte rsection of the signal and the Y axis.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 211 7 Calculate t he phase dif f erenc e using the formula be lo w . Figure 24 Cursors set to center of signal Z- Axis Input in XY Display Mode (Blanking) When you select the XY dis play mode, the time base is turned off.
212 6000 Series Oscilloscope User’s Guide 5 Making Measurements Figure 25 Signals are 90 out of phase Figure 26 Signals are in phase.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 213 Math Functions The Math menu lets you displa y mat h functions on analog channels. Y ou can: • subtract (–) o r multiply (*) th e signals acquired on analog channels 1 and 2, then display the result.
214 6000 Series Oscilloscope User’s Guide 5 Making Measurements Math scale and offset An y math function may be manually scaled by pressing the Scale or Offset softke ys and t hen adjusting the value.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 215 Multiply When y ou select 1*2 , channel 1 and channel 2 v olt age values are multiplied point by point, and the result is displayed. 1 * 2 is useful for seeing po wer relationships when one of t he channels is proportional t o the cur rent.
216 6000 Series Oscilloscope User’s Guide 5 Making Measurements The figure below sho ws an example of multipl y. Figure 27 Mult iply Channel 1 Channel 2 1 * 2 waveform 1 * 2 Scale 1 * 2 Offset Math .
Making Measurements 5 6000 Series Oscilloscope User’s Guide 217 Subtract When y ou select 1–2 , channel 2 v olt age values are subtracted from channel 1 v olt age values point b y point, and t he result is display ed. Y ou can use 1 – 2 to make a diff eren tial measurem ent or t o compare tw o wave forms.
218 6000 Series Oscilloscope User’s Guide 5 Making Measurements The figure below sho ws an example of subtract. Figure 28 Subtract Channel 1 Channel 2 1 – 2 waveform 1 – 2 Scale 1 – 2 Offset.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 219 Differentiate d/dt (differentiate) calculates the di screte time derivative of t he selected source.
220 6000 Series Oscilloscope User’s Guide 5 Making Measurements • Offset —lets yo u s et y our own offset f or t he dV/dt math function. The offset value is in units/second where units can be V (V olts), A (Am ps), or W (W atts) and is represented by the cent er horizontal g rid line of the display.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 221 Integrate ∫ dt (integ rate) calculat es the in tegral of t he select ed source. Y ou can use integrate t o calculate the energy of a pulse in v olt-seconds or measure the area under a wa vef orm.
222 6000 Series Oscilloscope User’s Guide 5 Making Measurements Figure 30 Integrate and Signal Offset Channel 1 ∫ dt waveform ∫ dt Scale ∫ dt Offset Source select Channel 1 ∫ dt waveform 0 V.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 223 FF T Measurement FFT is used to compute the fast F ourier transform using analog input cha n nels or math functions 1 + 2, 1 – 2, or 1 * 2. FFT takes the digitized ti me record of t he specified sour ce and transf orms it to t he frequency domain.
224 6000 Series Oscilloscope User’s Guide 5 Making Measurements vertical bandwidth when making FFT meas urements. The FFT sample rate is displa yed directly abo ve the sof tke ys when t he FFT menu is display ed . Aliasing happens when t here are frequency components in the si gnal high er tha n hal f the sa mp le ra te.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 225 Spectral Leakage The FFT operation assumes that t he time record repeats. U nless there is an int egral number of cycles of the sampled wa vef or m in the reco rd, a discontinuity is create d at the end of t he record.
226 6000 Series Oscilloscope User’s Guide 5 Making Measurements • Center — se ts t he FFT spectrum frequency represented at the center vertical gr id line of the display.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 227 • Scale — lets you set y our o wn vertical scale factors for FFT expressed in dB/div (d ecibels/division). Press t he Scale softkey , t hen turn t he Entry knob t o rescale y our mat h function.
228 6000 Series Oscilloscope User’s Guide 5 Making Measurements Figure 32 FF T measurements FF T Measurement Hints The number of points acquired f or t he FFT record is 1000 and when frequency span is at maxi mum, all points are displa yed.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 229 resolve tw o c losely space frequencies. A good way to test t he ability of the FFT to resolve tw o closely spaced frequencies is to examine the sidebands of an amplitude modulated sine wav e.
230 6000 Series Oscilloscope User’s Guide 5 Making Measurements Square Root √ (square root) calculates the square root of t he selected source. In Zoom mode, the √ (square root) function does not display in the zoomed por tion of t he displa y.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 231 The figure below sho ws an example of √ (square r oot). Figure 33 Square Root Channel 1 √ waveform √ Scale √ Offset Source sel.
232 6000 Series Oscilloscope User’s Guide 5 Making Measurements Cursor Measurements Y ou can measure wav eform dat a using cursors. Cursors are horizont al and v er tical markers that indicate X-axis values (usually time) and Y -axis values (usually v o ltage) on a selected wa veform source.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 233 • Binary — Binar y logic lev els are display ed directly abov e the sof tk eys for the current X1 and X2 cursor positions f or all displa yed channels.
234 6000 Series Oscilloscope User’s Guide 5 Making Measurements 4 Select the X and Y sof tke ys t o mak e a measurement. • XY — Press t his softke y t o select either X cursors or Y cursors for adjustment. The cursor cur rently assigned to the E ntry kn ob di spla ys b righ ter tha n the o ther c urs ors.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 235 T u r n t h e E n t r y k n o b t o a d j u s t t h e Y 1 o r Y 2 c u r s o r w h e n i t s softkey is selected. • X1 X2 — Press this sof tke y t o adjust the X1 and X2 cursor s together by turning the Entr y knob.
236 6000 Series Oscilloscope User’s Guide 5 Making Measurements Cursor Exam ples Figure 34 Curs ors measure pulse widths other than middle threshold points Figure 35 Curs ors measure frequency of pu.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 237 Exp and the di spla y with zoo m sw eep , then cha racte rize the e ven t of inter est with the cur sors . Figure 36 Cursors track zoom sweep Put the X1 cursor on one side of a pulse and t he X2 cursor on the other side of t he pulse.
238 6000 Series Oscilloscope User’s Guide 5 Making Measurements Press the X1 X2 softk ey a nd mo v e the cu rso rs tog ether to ch eck f or pulse widt h variations in a pulse train.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 239 Automatic Measurements The follo wi ng automatic meas urements can be made in t he Quick Meas menu.
240 6000 Series Oscilloscope User’s Guide 5 Making Measurements Preshoot and Overshoot • Preshoot* • Overshoot* * Measurement on analog channels only. T o make an automatic measurement A brief description of how to ma ke aut omatic measurements is given on page 96 .
Making Measurements 5 6000 Series Oscilloscope User’s Guide 241 If a por tion of the wav eform required for a measurement is not displa yed or does not display enough resolution to mak e the measure.
242 6000 Series Oscilloscope User’s Guide 5 Making Measurements thresholds. Each analog channel and the math wav eform can be assigned unique t hreshold values. 3 Press the Ty p e sof tke y t o set the measurement t hreshold to % (percentage of T op and Base value) or t o Absolut e (absolut e value.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 243 • If threshold Ty p e is set to % , the middle t hreshold value can be set from 6% to 94%. 6 Press the Upper sof tke y , t hen turn t he Entr y knob to set t he upper measurement t hreshold value.
244 6000 Series Oscilloscope User’s Guide 5 Making Measurements Counter The 6000 Series oscilloscopes ha ve an integ rated hardware frequency co unter which coun ts the number of cy cl es that occur within a period of time (known as the gate time ) to mea sure the frequency of a signal.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 245 through the low er and upper threshold levels which eliminates runt pulses. The X cursors sho w what por tion of the wav e f orm is being measured . The Y cursor sho ws t he middle t hreshold point.
246 6000 Series Oscilloscope User’s Guide 5 Making Measurements Fall T i me The fall time of a signal is the time dif f erence between the crossing of the upper t hreshold an d th e c ro ssi ng of the l o w er threshold for a negative -going edge. The X cursor shows the edge being me asured.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 247 T o measure the peak of an FFT: 1 Select FF T as th e math fun ctio n in th e Math menu. 2 Choose Math as the so ur ce in t he Quick Meas menu. 3 Choose Maximum and X at Max measurements.
248 6000 Series Oscilloscope User’s Guide 5 Making Measurements 1 Press the Quick Meas & Select and select Delay . Press the Settings softkey to select the sour ce channels and slope for the delay measurement. The default Dela y settings measur e from t he rising edge of channel 1 to th e rising edge of channel 2.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 249 1 Press the Settings sof tk ey to select t he source 1 and sour ce 2 channels f o r the phase measurement. The default Phase settings measure from channel 1 to channel 2. The example belo w shows a phase measurement betw een the channel 1 and the mat h d/dt function on channel 1.
250 6000 Series Oscilloscope User’s Guide 5 Making Measurements and ∫ dt when 1-2 or 1+2 is the select ed source if channel 1 and channel 2 are set to dissimilar units in t he channel Probe Units softkey. The f ollo wing f igure sho ws the voltage measurement points.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 251 Amplitude The Amplitude of a wa veform is the dif ference betw een its T op and Base va lues. The Y cursors show the value s being measured. Av er ag e A verage is t he sum of the wa vef or m samples di vided by the number of samples o ver one or mor e full periods.
252 6000 Series Oscilloscope User’s Guide 5 Making Measurements RMS RMS (DC) is the root-mean-square valu e of t he wa vef or m o ver one or more full periods. If less t han one period is display ed, RMS (DC) a verage is calculated on t he full width of t he displa y.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 253 The mean is calculated as follo ws: where: x = the mean. N = the nu mber of measuremen ts taken. x i = the i th measurement result. The st andar d de viation is calculat ed as fo llows: where: σ = the st andard deviation.
254 6000 Series Oscilloscope User’s Guide 5 Making Measurements Top The T op of a wav eform is the mo de (most common value) of the upper par t of the wav eform, or if t he mode is not w ell def ined, the to p is the sa me as Max imum . The Y cur sor s ho ws the v alu e being measur ed.
Making Measurements 5 6000 Series Oscilloscope User’s Guide 255 Overshoot and Preshoot Measurements Preshoot Preshoot is distortion that precedes a major edge transition expressed as a percentage of Amplitude. The X cursors show which edge is being m easured (edge closes t to the trigger reference point).
256 6000 Series Oscilloscope User’s Guide 5 Making Measurements Overshoot Overshoot is distortion t hat f ollows a ma jor edge transition expressed as a percentage of Amplitude. The X cursors sho w which edge is being m easured (edge closes t to the tr igger reference point).
257 Agilent T echnologies Agilent 6000 Series Oscilloscope User’s Guide 6 Displaying Data Pan and Zoom 258 Antialia sing 260 Using the XGA video output 260 Display Settin gs 261 V arying the intensi.
258 6000 Series Oscilloscope User’s Guide 6 Displaying Data Pan and Zoom The ability to pan (mo ve horizo nt ally) and zoom (expand or compress horizontally) an acqu ired wav eform is import ant because of the additional insight it can reveal about the captured wa veform.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 259 T o pan and zoom a waveform 1 Press the Run/Stop key to stop acquisitions. The Run/Stop key is illuminated red when the oscilloscope is stopped. 2 Tu rn the sweep speed knob to zoom horizont ally and t u rn the volts/division knob to zoom vertically.
260 6000 Series Oscilloscope User’s Guide 6 Displaying Data Antialiasing At slo wer sw eep speeds, t he sample rate is reduced and a proprietar y display algorit hm is us ed to minimize t he lik elihood of aliasing. By default, Antialiasing is enabled.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 261 Display Settings • Press the Display key to vie w t he Display menu. T o manually contr ol Display settings on 6000L models star t the Remote F r ont Panel (see page 44 ) and select Wa v e f o r m from the Main Menu or press ctrl+W t o access the oscilloscope’s Display Menu.
262 6000 Series Oscilloscope User’s Guide 6 Displaying Data Grid intensity T o adjust t he grid (g raticule) intensity , press Display & Grid and use the E ntry kno b to adj ust th e inte nsi ty. V ectors (connect the dots) The Agilent 6000 Series oscillosco pes are designed t o operate optimally with vectors on.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 263 Using V ectors (Display menu) One of t he most fundament al choices y ou must make about your displa y is whet her to draw v ect ors (connect the dots) between the samples, or sim ply let the samples f ill in the wav eform.
264 6000 Series Oscilloscope User’s Guide 6 Displaying Data Figure 43 Amplitude Modulation with No ise Shown at 100% Intensity Figure 44 Amplitude Modulation wi th Noise Shown at 40% Intensit y.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 265 Acquisition Modes The 6000 Series oscilloscopes ha ve t he f ollo wing acquisition modes: • Normal — fo r most wavef o rms (wit h normal decimating at slo wer sw eep speeds, no av eraging).
266 6000 Series Oscilloscope User’s Guide 6 Displaying Data Normal Mode In Normal mode at slo wer sw eep speeds, extra samples are decimated (in other w ords, some are t hro wn awa y).
Displaying Data 6 6000 Series Oscilloscope User’s Guide 267 Hig h Re solu tio n mode is eq uiv alen t to the A ve ragi ng mo de w ith #A verages=1; ho wev er , you can tu rn on Realtime sam pling in the H igh Reso lut ion mo de.
268 6000 Series Oscilloscope User’s Guide 6 Displaying Data T o use the Averaging mode 1 Press the Acquire ke y , th en pr ess th e Acq Mode softke y until the A veraging mode is sel e cted. 2 Press the #Avgs softkey and turn the Entr y knob to set t he number of a verages that best elim inates t he noise fr om the display ed wavef o rm.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 269 Figure 46 128 A verages used to reduce random noise Realtime Sampling Option Realtime sampling specifies th at t he oscilloscope produce the wa veform display fr om samples collected during one trigger ev ent (t hat is, one acquisition).
270 6000 Series Oscilloscope User’s Guide 6 Displaying Data • The oscilloscope produces the wav eform display from samples collected from multiple acquisitions.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 271 Using Serial Decode Agilent’s hardware accelerated se rial decode options can be licensed on 4-channel or 4+16-ch annel 6000 Series oscilloscopes.
272 6000 Series Oscilloscope User’s Guide 6 Displaying Data T o decode I 2 C data T o manually control Serial Decode on 6000L models st art t he Remote F r ont Panel (see page 44 ) and select Wa v e f o r m from the Main Menu or press ctrl+A t o ac cess the o scilloscope’s Acquire Menu.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 273 2 Specify the I 2 C signals: a Press the Settings sof tk ey to access t he I 2 C Signals Menu. b Press the SCL so f t ke y , a nd us e the Ent r y kn ob to sele ct th e channel probing the clock sign al.
274 6000 Series Oscilloscope User’s Guide 6 Displaying Data Y ou can use the Zoom horizont al sweep mode for easier na vigatio n of the acquired dat a. Interpreting De coded I 2 C Data NOTE If the setup does not produce a stable trigger , the I 2 C signal may be slow enough that the oscilloscope is AutoT riggering .
Displaying Data 6 6000 Series Oscilloscope User’s Guide 275 • White lines sho w an idle bus. • Blue rect angles show an acti v e bus (insid e a pack et/frame). • In the decoded hexadecimal dat a: • A ddress values appear at t he star t of a frame.
276 6000 Series Oscilloscope User’s Guide 6 Displaying Data T o decode SPI data 1 Select the SPI serial decode mode: a Press the Acquire ke y. b Press the Serial Decode sof tk ey.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 277 2 Specify the SPI signals: a Press the Settings sof tk ey to access t he SPI Signals Menu. NOTE If you have a lready set up an SPI trigger , the signals and thei r trigger or threshold levels ha ve already been specifie d, and you can continue on with step 4 .
278 6000 Series Oscilloscope User’s Guide 6 Displaying Data b Press the Clock softk ey , and use the En tr y k nob to sele ct the channel probing the clock sig nal. c Press the rising or falling edge sof tke y t o specify the edge that t he clock occurs on.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 279 Y ou can use the Zoom horizont al sweep mode for easier na vigatio n of the acquired dat a. Interpreting Decode d SPI Data • White lines sho w an idle bus. • Blue rect angles show an acti v e bus (insid e a pack et/frame).
280 6000 Series Oscilloscope User’s Guide 6 Displaying Data • Aliased bus values (undersampled or indeter minate) are dra wn in red. • U nknown bus values (undefined or er r or conditions) are dra wn in red.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 281 T o decode CAN data 1 Co nnec t the C AN si gnal to one of th e osc ill osco pe’s in put channels. 2 Set up the trigger mo de as described in “Triggering the Oscilloscope ” on page 127.
282 6000 Series Oscilloscope User’s Guide 6 Displaying Data 4 Specify the C AN signal: a Press the Settings sof tk ey to access t he CAN Signals Menu. 5 Press the Source s of t key , an d u se t he E nt r y kn ob t o s e le ct t he channel f or the CAN signal.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 283 bus is measured. This controls th e point within the bit’s time where the bit value is captured.
284 6000 Series Oscilloscope User’s Guide 6 Displaying Data Interpreting Decode d CAN Data • Frame ID appears in hex d igits in y ellow . F rames of 11 or 29 bits are automatically detected. • Remote frame (RMT) appears in g reen. • Dat a length code (DLC) appears in blue.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 285 • Red dots in the decode line indicat e that there is data t hat is not being display ed. Scroll or expand the horizontal scale t o view the inf or mation. • Aliased bus values (undersampled or indeter minate) are dra wn in red.
286 6000 Series Oscilloscope User’s Guide 6 Displaying Data CAN T otalizer The CAN totalizer pro vides a direct measure of bus quality and ef ficiency. The CAN tot alizer measure s tot al CAN frames, f lagged er ror frames, o verload frames, and bus utilization.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 287 Overload Frame Count and Percent Error Frame Count and Percent Bus Utilization Percentage Total Fra me Count.
288 6000 Series Oscilloscope User’s Guide 6 Displaying Data T o decode LIN data 1 Select the LIN serial decode mode: a Press the Acquire ke y. b Press the Serial Decode sof tk ey.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 289 3 Specify the LIN signal : a Press the Settings sof tk ey to access t he LIN Signals Menu.
290 6000 Series Oscilloscope User’s Guide 6 Displaying Data b Press the Source sof tke y , and use the Entr y knob t o select the channel probin g t he LIN signal. c Repeatedly press and release the Baud sof tk ey to specify the L IN s igna l ba ud ra te.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 291 g If the decode line does not appear on the d ispla y , press the up -arr o w softk ey to ret urn to th e pre vio us me nu, t he n press the Decode softkey. 5 If the oscilloscope is stopped, press t he Run/Stop ke y t o acquire and decode dat a.
292 6000 Series Oscilloscope User’s Guide 6 Displaying Data Interpreting Decoded LIN Data.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 293 • White traces sho w an id le bus (LIN 1.3 onl y). • Blue bi-lev el trace shows an activ e bus (inside a pack et/frame). • The hexadecimal ID and parity bits (if enabled) appear in yello w .
294 6000 Series Oscilloscope User’s Guide 6 Displaying Data T o decode FlexRay data T o decode FlexRa y dat a, you need a f our -channel 6000 Series mix ed signal oscilloscope, t he N5432A FlexRa y triggering and decode option, the A gilent VPT1000 protocol analyzer , and its MSO communications cable .
Displaying Data 6 6000 Series Oscilloscope User’s Guide 295 When the FlexRay mode i s selected, you can use t he Settings softkey to access the VPT1000 Menu for changing the VPT1000 control/operating modes. 4 If the decode line does not appear on the display , press the Decode so f tkey t o t ur n it on .
296 6000 Series Oscilloscope User’s Guide 6 Displaying Data Interpreting Decode d FlexRay Frame Data The FlexRay decode displa y sho ws fr ame decoding (bottom ro w) and if the VPT1000 is in t he synchronous monitoring mode, global time-schedule decoding (top ro w).
Displaying Data 6 6000 Series Oscilloscope User’s Guide 297 Interpreting Decoded FlexRay T ime Data Global T i me-Schedule Decoding (top ro w of decode display) • Segment type: st atic = SS in or ange, dynamic = DS in green, Symbol in yello w , Id le = NIT (network idle time) in white.
298 6000 Series Oscilloscope User’s Guide 6 Displaying Data FlexRay T otalizer The FlexRa y tot alizer consists of cou nters t hat pro vide a direct measure of bus quality and eff iciency. The tot alizer is r unning, cou nting frames and calculating percentage s, ev en when t he oscilloscope is st opped (not acquiring dat a).
Displaying Data 6 6000 Series Oscilloscope User’s Guide 299 Counters • The FRAMES count er giv es a real -ti me count of all received frames. • The NULL counte r giv es t he number and pe rc e ntage of nu ll frames. • The SYNC counter gives t he number and percent age of sync frames.
300 6000 Series Oscilloscope User’s Guide 6 Displaying Data T o decode UART/RS232 data 1 Select the U ART/RS232 serial decode mode: a Press the Acquire ke y.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 301 2 Specify the UART/RS232 signals: a Press the Settings sof tk ey to access t he U ART/RS232 decode settings menu. b Press the Signals sof tk ey , and select t he oscilloscope channels that you ha ve connected to t he Rx and Tx signals.
302 6000 Series Oscilloscope User’s Guide 6 Displaying Data See the UART/RS23 2 tr iggering section on page page 199 f o r detailed instr uctions. 3 Press the Retur n to previous menu (up arro w) sof tke y.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 303 7 Optional: Press the Framing softke y and select a value. In the decode display the chosen valu e will b e display ed in l ight blue. Ho wev er , if a parity er ror occurs the dat a will be display ed in red.
304 6000 Series Oscilloscope User’s Guide 6 Displaying Data Interpreting Decoded UART/RS232 Data • An idle bus is shown in white. • An active bus is sho wn in dark blue, wit h v er tical lines designating the st ar t and end of each data wor d.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 305 • An unkno wn (undef ined) bus is sho wn in red. • A parity error will cause th e associated dat a w ord to be sho wn in red, whic h includes the 5-8 dat a bits and the optional 9t h bit.
306 6000 Series Oscilloscope User’s Guide 6 Displaying Data UART/RS232 T otalizer The U ART/RS232 tot alizer consists of coun ters that pro vide a direct measure of bus quali ty and eff icienc y. The tot alizer appears on screen whenev er UART/RS232 Decode is ON in the Serial Decode Menu.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 307 T o reduce the random noise on a signal If the signal you are pr obing is noisy , y ou can set up t he oscilloscope to reduce t he noise on the display ed wav eform. First, you stabilize t he display ed wavef orm by removing the noise from th e trigger pat h.
308 6000 Series Oscilloscope User’s Guide 6 Displaying Data LF Reject Lo w-frequency reject (LF reject) adds a high-pass filt er with the 3-dB point at 50 kHz. LF reject remo ves lo w-frequency signals, such as po wer line noise, from the trigger path.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 309 T o capture glitches or narrow puls es with peak detect and infinite persistence A glit ch is a rapid change in the wav eform t hat is usuall y narro w as compared t o the wa veform. P eak det ect mode can be used to mor e easily vie w g litches or nar ro w pulses .
310 6000 Series Oscilloscope User’s Guide 6 Displaying Data Figure 48 15 ns Narrow Pulse, 20 ms /d iv , Pe ak Detect Mode Using peak detect mode to find a glitch 1 Connect a signal to the oscilloscope and obt ain a stable displa y.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 311 4 Characterize t he glit ch with zoom sweep: a Press the Menu/Zoom k ey , then pres s the Zoom so ftkey.
312 6000 Series Oscilloscope User’s Guide 6 Displaying Data How AutoScale W orks A utoS cale autom ati call y co nfigu res th e osc ill osco pe to b est displa y t he input sign als b y analyzing an y wav e f or ms present at each channel and at t he exter nal trigger input.
Displaying Data 6 6000 Series Oscilloscope User’s Guide 313 Specifying the Channels Displayed After AutoScale The Channels softke y selection determines which channels will be displa yed on subsequent AutoScales.
314 6000 Series Oscilloscope User’s Guide 6 Displaying Data.
315 Agilent T echnologies Agilent 6000 Series Oscilloscope User’s Guide 7 Saving and Printing Data Printing the oscilloscope’ s display 316 Supported Printers 318 Saving oscilloscope data 320 Sele.
316 6000 Series Oscilloscope User’s Guide 7 Saving and Printing Data Printing the oscilloscope’ s display T o print t he oscilloscope’s displa y: 1 Connect a USB printer to either t he USB por t on the front panel or the rect angular USB host por t on t he rear panel.
Saving and Printing Data 7 6000 Series Oscilloscope User’s Guide 317 Selecting print options Press the Options softk ey to cha nge the f ollo wi ng op tio ns: • Factors — Select Factors if y ou want the oscilloscope scale factors t o be included on yo ur printout.
318 6000 Series Oscilloscope User’s Guide 7 Saving and Printing Data Supported Printers The follo wi ng HP printers, available in store s at the time t his manual was written, hav e been t ested and found to be compatible with the Inf iniiV ision 6000 Series oscilloscopes.
Saving and Printing Data 7 6000 Series Oscilloscope User’s Guide 319 Deskjet 980 Deskjet 990C Deskjet 995 Deskjet 1220C & 1125C Deskjet 38 16 & 3820 Deskjet 55 50 & 5551 Deskjet 61 22 &a.
320 6000 Series Oscilloscope User’s Guide 7 Saving and Printing Data Saving oscilloscope data Here are a f ew points about sa v ing oscilloscope dat a: • Y ou can sav e a wav eform trace and recall it later . The recalled trace appears in cyan (blue).
Saving and Printing Data 7 6000 Series Oscilloscope User’s Guide 321 Selecting a destinatio n for your saved data Press Save/Recall → Save to access t he Sa ve menu and select a destination for sa ving your data.
322 6000 Series Oscilloscope User’s Guide 7 Saving and Printing Data If one or more USB storage devic es are connect ed to the os cill osco pe, yo u can na viga te to the USB d evi ce us ing the sam e method. The follo wing display im age sho ws an image ready to be sa ved to a subfolder called “Rise time” on a USB de vice.
Saving and Printing Data 7 6000 Series Oscilloscope User’s Guide 323 Spell softkey and press the Enter so f tk ey to cre ate the n ew fi le name. 3 Y ou can press t he Enter so f t ke y o r t h e En t r y kn o b t o mov e t h e cursor f or ward within t he file name.
324 6000 Series Oscilloscope User’s Guide 7 Saving and Printing Data W aveform T r ace and Oscilloscope Setup When the Tr a c e & S e t u p option is selected fr om the Format softkey , bot h wav eform trace and oscilloscope setup are sa ved to th e USB d riv e o r the o scil los cope ’s in ternal mem or y.
Saving and Printing Data 7 6000 Series Oscilloscope User’s Guide 325 • ASCII XY data file - This creates a f ile of comma-separated variables for each displa yed channel. If the oscilloscope acquisition is stopped, t hen data records great er than 1000 points can be writte n.
326 6000 Series Oscilloscope User’s Guide 7 Saving and Printing Data The Invert Graticule Colors option can be used t o reduce the amount of black ink it takes to print oscilloscope images by changing the black back ground to white. Invert Graticule Colors is the default mode.
Saving and Printing Data 7 6000 Series Oscilloscope User’s Guide 327 The Length control will per f or m a “1 of n” decimation of t he dat a when necessar y.
328 6000 Series Oscilloscope User’s Guide 7 Saving and Printing Data T o recall waveform trace and/or oscilloscope setup A recalled trace is typically us ed for a quick com p arison of measurement results.
Saving and Printing Data 7 6000 Series Oscilloscope User’s Guide 329 When the USB storage device is connected to the oscilloscope’s front or rear USB host port, a smal l four -color circle icon may be display ed brief ly as the USB device is read.
330 6000 Series Oscilloscope User’s Guide 7 Saving and Printing Data T o use the file explorer Files can be loaded and delet ed using the f ile explorer . Y ou can c reate direct ories on a USB mass st orage device using your PC or other instr ument.
Saving and Printing Data 7 6000 Series Oscilloscope User’s Guide 331 Secure Environment Mode Option Secure environment mode is com p liant t o N a tional Industrial Security Program Operating Manual (NISPOM) Chapter 8 requirements. Secure environment mode is ca lled option SEC when it is or der ed with th e os ci llo sc ope .
332 6000 Series Oscilloscope User’s Guide 7 Saving and Printing Data Ta b l e 1 8 Ordering the Secure En vironment Mode Option Ordering the Secure Environment Mode Option New oscilloscope purchase ... Order Option SEC. After oscilloscope purch ase, if you have not saved confidential trace or setups on the oscillos cope.
333 Agilent T echnologies Agilent 6000 Series Oscilloscope User’s Guide 8 Reference Upgrading to an MSO or adding memory depth 334 Software and firmware updates 334 T o set up the I/O p ort 335 Usin.
334 6000 Series Oscilloscope User’s Guide 8 Reference Upgrading to an MSO or adding memory depth A license can be inst alled to acti vate t he digital channels of an oscilloscope that was not originally ordered as a mix ed-signal oscilloscope (MSO).
Reference 8 6000 Series Oscilloscope User’s Guide 335 T o set up the I/O port The oscilloscope can be control led via GPIB, LAN, or USB. The oscilloscope’s I/O confi gurat ion, including i ts IP address and hostname, can be view ed by pressing Utility & I/O .
336 6000 Series Oscilloscope User’s Guide 8 Reference Using the 10 MHz reference clock The 10 MHz REF BNC connector on the rear panel is pro vided so you c an : • Supply a more accurate sample clock signal to the oscilloscope, or • Synchronize the timebase of tw o or mor e instruments.
Reference 8 6000 Series Oscilloscope User’s Guide 337 2 Press Utility & Options & Rear Panel & Ref Signal . 3 Use the Entr y Knob and the Ref Signal sof tk ey to select 10 MHz input . A black lock ed padlock icon will appear at t he top of t he displa y.
338 6000 Series Oscilloscope User’s Guide 8 Reference T o synchronize the timebase of two or more instruments The oscilloscope can output it’s 10 MHz system clock for the purpose of synchronization with ot her instr uments. 1 Connect a BNC cable to the BNC connector labeled 10 MHz REF on the rear panel of th e oscilloscope.
Reference 8 6000 Series Oscilloscope User’s Guide 339 T o return the instrument Before shipping the oscilloscope to Agilen t T echnologies, contact your nearest Agilent Techno logies sales or service off ice f or additional det ails. Information on contacting A gilent T echnologies can be f o und at www .
340 6000 Series Oscilloscope User’s Guide 8 Reference Digital channel signal fidelity: Probe impedance and grounding Y ou may encount er problems when using t he mixed-signal oscilloscope that are relat ed to probing. These pr oblems fall into two categories: probe loading and probe grounding.
Reference 8 6000 Series Oscilloscope User’s Guide 341 Figure 49 DC and Low -Frequency Probe Equivalent Circuit Figure 50 High -Frequency Probe Equivalent Circuit The impedance plots f or t he tw o mo dels are sho wn in t hese figu res.
342 6000 Series Oscilloscope User’s Guide 8 Reference Figure 51 Impedance versus Frequency fo r Both Probe Circuit Models The logic pr obes are represented by the high-frequenc y circuit model shown abo ve. They are designed to pro vi de as much series tip resist ance as possible.
Reference 8 6000 Series Oscilloscope User’s Guide 343 Sharing one probe ground with man y probes for ces all t he cu r re nt th at f lo ws in to ea ch pr ob e to ret urn th rou gh the same common g round inductance of the probe whose ground return is used.
344 6000 Series Oscilloscope User’s Guide 8 Reference Best Probing Practices Because of t he variables L , di , and dt , you ma y be unsure ho w much margin is available in your measurement setup.
Reference 8 6000 Series Oscilloscope User’s Guide 345 T o replace digital probe leads If y o u need to remov e a probe lead from the cable, inser t a paper clip or other small poin te d o bjec t into the si de o f the cable assembly , and push t o release the latch while pulling out the probe lead.
346 6000 Series Oscilloscope User’s Guide 8 Reference Binary Data (.bin) The binar y dat a f or mat stores wav eform dat a in binar y f or mat and pro vides dat a headers that describe that dat a. Because the dat a is in binar y format, the size of t he file is appro ximately 5 times smaller than the XYPairs format.
Reference 8 6000 Series Oscilloscope User’s Guide 347 File Size A 3 2-bi t in teger that i s the n umbe r of byt es tha t are in the file. Number of W aveforms A 3 2-bi t inte ger that i s the n umbe r of wa veforms that are st ored in the f ile.
348 6000 Series Oscilloscope User’s Guide 8 Reference X Display Range A 32-bit f loat that is t he X -axis duration of t he wa veform that is display ed. For time domain wa vef o rms, it is the duration of time across th e disp la y. If t he value is zer o then no dat a has been acquired.
Reference 8 6000 Series Oscilloscope User’s Guide 349 Tim e A16-bit character ar ra y , left blank in t he 6000 Series oscilloscope. Frame A 2 4 by te ch arac ter a rra y that is th e mod el n umbe r an d serial number of t he oscilloscope in the format of: MODEL#:SERIAL#.
350 6000 Series Oscilloscope User’s Guide 8 Reference Wa v e f o r m D a t a H e a d e r A wa veform ma y have more than one data set. Each wavef or m dat a set will ha ve a wa vef or m data header . The wavef orm dat a header consists of inf or mation about the wavef orm data set.
Reference 8 6000 Series Oscilloscope User’s Guide 351 Examples of Binary Files Single Acquisition Mult iple Analog Channels The follo wing picture shows a binar y file of a sing le acquisition with multiple analog channels.
352 6000 Series Oscilloscope User’s Guide 8 Reference Single Acquisition All Pods Logic Channels The follo wing picture shows a binar y file of a sing le acquisition with all pods for the logic channels sav ed.
Reference 8 6000 Series Oscilloscope User’s Guide 353 Minimum and Maximum V a lues in CSV Files If you are running a Quick Me asurement Minimum or Maximum measurement, t he minimum an d maximum values shown in the Quick Measurement displa y may not appear in the CSV f ile.
354 6000 Series Oscilloscope User’s Guide 8 Reference.
355 Agilent T echnologies Agilent 6000 Series Oscilloscope User’s Guide 9 Power and Environmental Conditions Power Requirements 356 Measurement Category 357 Environmental Conditions 359 Specifica ti.
356 6000 Series Oscilloscope User’s Guide 9 Power and Environmental Conditions Power Requirements Line voltage range ~ Line 120 W max, 96-144 V/48-440 Hz, 192-288 V/48-66 Hz, automatic selection Lin.
Power and Environmental Conditions 9 6000 Series Oscilloscope User’s Guide 357 Measurement Category Measurement Category The 6000 Series oscilloscope is intended t o be used f or measurements in Measurement Categor y I.
358 6000 Series Oscilloscope User’s Guide 9 Power and Environmental Conditions T ransient Withstand Capability CAUTION Maximum input voltage for analog inputs CA T I 300 Vrms, 400 Vpk; transient overvoltage 1.
Power and Environmental Conditions 9 6000 Series Oscilloscope User’s Guide 359 Environmental Conditions Environment Indoor use only. Ambient temperature Operating –10 °C to +55 °C; non-operating.
360 6000 Series Oscilloscope User’s Guide 9 Power and Environmental Conditions Specifications Please see the Inf iniiVision 6000 Series Oscilloscopes Data Sheet f or complete, up-to-date specifications and characteristics. T o download a cop y of the d ata sheet please visit: www .
9 6000 Series Oscilloscope User’s Guide 361 Contact us Americas Canada (8 77) 894- 4414 Latin Ameri ca 305 269 7500 United States (800) 829-4444 Asia Pacifi c Australia 1 800 629 485 China 800 810 0.
362 6000 Series Oscilloscope User’s Guide 9.
6000 Series Oscilloscopes User’s Guide 363 Index Symbols (-)Width measurement , 246 (+)Width measurement , 246 Numerics 1*2 math function , 215 1-2 math function , 21 7 232 , 109 6000L , 8 , 21 A ab.
364 6000 Series Oscilloscopes User’s Guide Index channel analog , 83 bandwidth limi t , 86 coupling , 85 invert , 86 on/off keys , 70 positio n , 84 probe units , 87 skew , 87 vernier , 84 vertical .
6000 Series Oscilloscopes User’s Guide 365 Index file keys , 70 file name, new , 322 firmware updates , 334 firmware version information , 43 Flat top window , 226 FlexRay frame counter , 298 FlexRa.
366 6000 Series Oscilloscopes User’s Guide Index Maximum measurement , 251 maximum sample rate , 270 measure keys , 72 measurement category definition s , 357 measurement definitions , 244 measureme.
6000 Series Oscilloscopes User’s Guide 367 Index replacement parts , 34 5 reset LAN , 40 restart condition, I2C trigger , 166 return instrument for service , 339 Rise time measurement , 246 RMS meas.
368 6000 Series Oscilloscopes User’s Guide Index trigger type , 139 CAN , 148 duration , 152 edge , 140 FlexRay , 155 glitch , 142 hex bus , 14 7 I2C , 164 LIN , 172 Nth edge burst , 170 pattern , 1.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Agilent Technologies InfiniiVision 6000 Series è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Agilent Technologies InfiniiVision 6000 Series - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Agilent Technologies InfiniiVision 6000 Series imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Agilent Technologies InfiniiVision 6000 Series ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Agilent Technologies InfiniiVision 6000 Series, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Agilent Technologies InfiniiVision 6000 Series.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Agilent Technologies InfiniiVision 6000 Series. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Agilent Technologies InfiniiVision 6000 Series insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
