Manuale d’uso / di manutenzione del prodotto E4400-90326 del fabbricante Agilent Technologies
Vai alla pagina of 31
Quick Start Guide Agilent T echnologies ESG F amily Signal Generators P art No. E4400-90326 Printed in USA October 2000 Supersedes April 2000 © Copyright 1999, 2000 Agilent T echnologies Serial Number Prefixes: (Affix Label Here) qsg.
Quick Start Guide iii Contents 1. Getting Started The Signal Generator at a Glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Creating an FM Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Quick Start Guide 1- 1 ESG Famil y Signal Generators 1 Getting Started This chapter will help you learn how to do the following with your signal generator: • create an FM signal • generate step and list sweeps • use the save and recall functions • set up a digital modulation in GSM format (Option UN8 only) qsg.
1- 2 Quick Start Guide Getting Star ted ESG Famil y Signal Generators The Signal Generator at a Glance The Signal Generator at a Glance Refer to the figure and descriptions below as you use the procedures in this chapter . F or detailed front and rear panel information, refer to Chapter 2, “Exploring the User Interface.
Quick Start Guide 1- 3 ESG Famil y Signal Generators Getting Star ted Creating an FM Signal Creating an FM Signal This procedure will show you how to configure the signal generator to output a frequency-modulated signal with the following characteristics: • carrier frequency set to 104.
1- 4 Quick Start Guide Getting Star ted ESG Famil y Signal Generators Creating an FM Signal Setting the FM Deviation Setting the FM Rate Turning On F requency Modulation The signal generator is now configured to output a 0 dBm, frequency-modulated carrier at 104.
Quick Start Guide 1- 5 ESG Famil y Signal Generators Getting Star ted Creating a Step Sweep and a List Sweep Creating a Step Sweep and a List Sweep This section will show you two wa ys to set up the signal generator to sweep a defined set of points .
1- 6 Quick Start Guide Getting Star ted ESG Famil y Signal Generators Creating a Step Sweep and a List Sweep Turning On Continuous Step Sweep 8. Press the Ampl Stop softkey . Enter 0 using the numeric keypad and press the dBm softkey . This sets the new po wer lev el f or the end of the step sweep to 0 dBm.
Quick Start Guide 1- 7 ESG Famil y Signal Generators Getting Star ted Creating a Step Sweep and a List Sweep Configuring a List Sweep Using Step Sweep Data 1. Press the Sweep T ype List Step softkey . This toggles the Sweep T ype List Step softk ey from Step to List .
1- 8 Quick Start Guide Getting Star ted ESG Famil y Signal Generators Creating a Step Sweep and a List Sweep Turning On List Sweep for a Single Sweep 1. Press Return . This mov es the softkey men u up one lev el. Notice that the Sweep softke y is still set to sweep both frequency and amplitude data.
Quick Start Guide 1- 9 ESG Famil y Signal Generators Getting Star ted Saving and Recalling an Instrument State Saving and Recalling an Instrument State Using this procedure, you will learn how to save instrument settings to a memory register and to recall the settings .
1- 10 Quick Start Guide Getting Star ted ESG Famil y Signal Generators Saving and Recalling an Instrument State Saving an Instrument State Recalling an Instrument State 1. Press Save followed by the Select Seq softkey . The sequence number becomes the activ e function.
Quick Start Guide 1- 11 ESG Famil y Signal Generators Getting Star ted Setting Up a Digital Modulation in the GSM Format Setting Up a Digital Modulation in the GSM F ormat NO TE Y ou must have an ESG-D or ESG-DP Series Signal Generator with Option UN8 to perform this procedure.
1- 12 Quick Start Guide Getting Star ted ESG Famil y Signal Generators Setting Up a Digital Modulation in the GSM Format Selecting the Data F ormat Setting Up Timeslot 0 1. Press Mode . Then press the following softkeys: Real Time I/Q Baseband (if it appears) > TDMA > GSM .
Quick Start Guide 1- 13 ESG Famil y Signal Generators Getting Star ted Setting Up a Digital Modulation in the GSM Format Setting Up Timeslot 7 6. Press the FIX4 softkey . This changes the transmitted data to a fix ed 4-bit repeating sequence. The def ault 4-bit repeating sequence of 0000 is shown in the activ e entr y area of the display .
1- 14 Quick Start Guide Getting Star ted ESG Famil y Signal Generators Setting Up a Digital Modulation in the GSM Format Turning On the GSM F ormat and the Modulation The signal generator is now configured to burst two uplink timeslots with a − 5.0 dBm, GMSK digitally modulated carrier at 891 MHz.
Quick Start Guide 2- 1 ESG Famil y Signal Generators 2 Exploring the User Interface This chapter provides you with an overview of your signal generator’ s user interfaces: • front panel hardkeys and connectors • display fields and annotations • rear panel connectors qsg.
2- 2 Quick Start Guide Exploring the User Interface ESG Famil y Signal Generators Front P anel F ront P anel The following pages describe the numbered items shown in the figure below .
Quick Start Guide 2- 3 ESG Famil y Signal Generators Exploring the User Interface Front P anel 1. EXT 1 INPUT This female BNC input connector accepts a 1-V pk signal for FM, Φ M, and AM. 2. EXT 2 INPUT This female BNC input connector accepts a 1-V pk signal for FM, Φ M, AM, and pulse modulation.
2- 4 Quick Start Guide Exploring the User Interface ESG Famil y Signal Generators Front P anel 11. Return The Return key cancels the current active function and moves you from your current softkey menu to the softkey menu that precedes it.
Quick Start Guide 2- 5 ESG Famil y Signal Generators Exploring the User Interface Front P anel 21. Display The LCD displa y provides information on the current instrument state such as modulation status , frequency and amplitude settings, status indicators , and error messages.
2- 6 Quick Start Guide Exploring the User Interface ESG Famil y Signal Generators Front P anel 30. Recall This hardkey lets you restore any instrument state that you previously saved in a memory register . Y ou can save up to 100 different instrument states in a combination of 100 memory registers and 10 register sequences.
Quick Start Guide 2- 7 ESG Famil y Signal Generators Exploring the User Interface Display Display The following pages describe the numbered items shown in the figure below . 1. Frequency Area The current CW frequency setting is shown in this portion of the display .
2- 8 Quick Start Guide Exploring the User Interface ESG Famil y Signal Generators Display 4. Error Messages Area Abbreviated error messages are reported in this space. When multiple error messages occur , only the most recent message remains displayed.
Quick Start Guide 2- 9 ESG Famil y Signal Generators Exploring the User Interface Display ENVLP This annunciator appears if the burst envelope modulation is turned on. This annunciator is present only on ESG-D and ESG-DP Series Signal Generators. ERR This annunciator appears when an error message is placed in the error queue.
2- 10 Quick Start Guide Exploring the User Interface ESG Famil y Signal Generators Display RF OFF This annunciator toggles between RF OFF and RF ON and is alwa ys visible in the display . This annunciator indicates whether the RF signal is present at the RF OUTPUT connector .
Quick Start Guide 2- 11 ESG Famil y Signal Generators Exploring the User Interface Rear Panel Rear P anel The following pages describe the numbered items shown in the figure below . 1. AC P ower Receptacle The power cord receptacle accepts a three-pronged cable that is shipped with the instrument.
2- 12 Quick Start Guide Exploring the User Interface ESG Famil y Signal Generators Rear Panel 4. AUXILIARY INTERFACE This male DB-9 connector is an RS-232 serial port that can be used for controlling the signal generator remotely . It is functionally equivalent to the GPIB connector .
Quick Start Guide 2- 13 ESG Famil y Signal Generators Exploring the User Interface Rear Panel 12. P A TTERN TRIG IN This input can accept either a TTL/CMOS low to TTL/CMOS high or TTL/CMOS high to TTL/CMOS low edge trigger .
2- 14 Quick Start Guide Exploring the User Interface ESG Famil y Signal Generators Rear Panel 18. BASEBAND GEN REF IN With Option UN8 enabled, the B ASEBAND GEN REF IN connector accepts a 0 to +20 dBm sinewa ve or TTL squarewave signal from an external 13-MHz timebase reference.
Quick Start Guide 2- 15 ESG Famil y Signal Generators Exploring the User Interface Rear Panel 26. BER DA T A IN Use this connector to input the data streams for the bit-error -rate measurements . This female BNC connector is present only on instruments with Option UN7.
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 E4400-90326 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 E4400-90326 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Agilent Technologies E4400-90326 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Agilent Technologies E4400-90326 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Agilent Technologies E4400-90326, 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 E4400-90326.
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 E4400-90326. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Agilent Technologies E4400-90326 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.
