Agilent Technologies 33250A Manual de usuario

Agilent 33250A

80 MHz Function /

Arbitrary Waveform Generator

User’s Guide

Publication Number 33250-90002 (order as 33250-90100 manual set)

Edition2, March 2003

©CopyrightAgilentTechnologies, Inc. 2000, 2003

For Safety information, Warranties, and Regulatory information,

see the pages following the Index.

Agilent 33250A at a Glance

The Agilent Technologies 33250A is a high-performance 80 MHz

synthesized function generator with built-in arbitrary waveform and

pulse capabilities. Its combination of bench-top and system features

makes this function generator a versatile solution for your testing

requirements now and in the future.

Convenient bench-top features

• 10 standard waveforms

• Built-in 12-bit 200 MSa/s arbitrary waveform capability

• Precise pulse waveform capabilities with adjustable edge time

• LCD color display provides numeric and graphical views

• Easy-to-use knob and numeric keypad

• Instrument state storage with user-defined names

• Portable, ruggedized case with non-skid feet

Flexible system features

• Four downloadable 64K-point arbitrary waveform memories

• GPIB (IEEE-488) interface and RS-232 interface are standard

• SCPI (Standard Commands for Programmable Instruments) compatibility

Note:

Unless otherwise indicated, this manual applies to all Serial

Numbers.

The Front Panel at a Glance

Note: To get context-sensitive help on any front-panel key or menu softkey,

press and hold down that key.

1Graph Mode/Local Key

2Menu Operation Softkeys

3Waveform Selection Keys

4Knob

5Modulation/Sweep/Burst Menus

6State Storage Menu

7Utility Menu

8Instrument Help Topic Menu

9Output Enable/Disable Key

10 Manual Trigger Key (used for

Sweep and Burst only)

Cursor Keys

The Front-Panel Display at a Glance

Menu Mode

Trigger Output

Mode

Numeric

Readout

Information Information Status

Units

Display

Icon

Softkey Labels

Graph Mode

To enter the Graph Mode, press the key.

The softkey colors correspond

to the waveform parameters.

Signal

Ground

Parameter

Name

Parameter

Value

Front-Panel Number Entry

You can enter numbers from the front-panel using one of two methods.

Use the knob and arrow keys to modify the displayed number.

Use the numeric keypad and menu softkeys to select the units.

The Rear Panel at a Glance

WARNING For protection from electrical shock, the power cord ground must not be

defeated. If only a two-contact electrical outlet is available, connect the

instrument’s chassis ground screw (see above) to a good earth ground.

External 10 MHz Reference Input Terminal

Internal 10 MHz Reference Output Terminal

3RS-232 Interface Connector

4External Modulation Input Terminal

Input: External Trig/FSK/Burst Gate

Output: Trigger Output

6GPIB Interface Connector

7Chassis Ground

Use the menu to:

• Select the GPIB or RS-232 interface (see chapter 2).

• Select the GPIB address (see chapter 2).

• Set the RS-232 baud rate, parity, and handshake mode (see chapter 2).

In This Book

Quick Start Chapter 1 prepares the function generator for use and

helps you get familiar with a few of its front-panel features.

Front-Panel Menu Operation Chapter 2 introduces you to the front-

panel menu and describes some of the function generator’s menu features.

Features and Functions Chapter 3 gives a detailed description of the

function generator’s capabilities and operation. You will find this chapter

useful whether you are operating the function generator from the front

panel or over the remote interface.

Remote Interface Reference

Chapter 4 contains reference information

to help you program the function generator over the remote interface.

Error Messages Chapter 5 lists the error messages that may appear

as you are working with the function generator. Each listing contains

enough information to help you diagnose and solve the problem.

Application Programs Chapter 6 contains several remote interface

application programs to help you develop programs for your application.

Tutorial Chapter 7 discusses the fundamentals of signal generation

and modulation techniques.

Specifications Chapter 8 lists the function generator’s specifications.

If you have questions relating to the operation of the Agilent 33250A,

call 1-800-452-4844 in the United States, or contact your nearest Agilent

Technologies Office.

If your 33250A fails within three years of purchase, Agilent will either

repair or replace it free of charge. Call 1-877-447-7278 in the United

States (and ask for “Agilent Express”) or contact your local Agilent

Technologies Office.

Contents

Chapter 1 Quick Start

To Prepare the Function Generator for Use 15

To Adjust the Carrying Handle 16

To Set the Output Frequency 17

To Set the Output Amplitude 18

To Set a DC Offset Voltage 20

To Set the Duty Cycle 21

To Configure a Pulse Waveform 22

To View a Waveform Graph 23

To Output a Stored Arbitrary Waveform 24

To Use the Built-In Help System 25

To Rack Mount the Function Generator 27

Chapter 2 Front-Panel Menu Operation

Front-Panel Menu Reference 31

To Select the Output Termination 33

To Reset the Function Generator 33

To Output a Modulated Waveform 34

To Output an FSK Waveform 36

To Output a Frequency Sweep 38

To Output a Burst Waveform 40

To Trigger a Sweep or Burst 42

To Store the Instrument State 43

To Configure the Remote Interface 44

Chapter 3 Features and Functions

Output Configuration 49

Pulse Waveforms 64

Amplitude Modulation (AM) 67

Frequency Modulation (FM) 72

Frequency-Shift Keying (FSK) Modulation 78

Frequency Sweep 82

Burst Mode 89

Triggering 98

Arbitrary Waveforms 103

System-Related Operations 109

Remote Interface Configuration 118

Calibration Overview 123

Factory Default Settings 127

Contents

Chapter 4 Remote Interface Reference

SCPI Command Summary 131

Simplified Programming Overview 142

Using the APPLy Command 144

Output Configuration Commands 153

Pulse Configuration Commands 166

Amplitude Modulation (AM) Commands 169

Frequency Modulation (FM) Commands 172

Frequency-Shift Keying (FSK) Commands 176

Frequency Sweep Commands 179

Burst Mode Commands 187

Triggering Commands 195

Arbitrary Waveform Commands 198

State Storage Commands 209

System-Related Commands 213

Interface Configuration Commands 218

RS-232 Interface Configuration 219

Phase-Lock Commands 223

The SCPI Status System 225

Status Reporting Commands 235

Calibration Commands 239

An Introduction to the SCPI Language 241

Using Device Clear 246

Chapter 5 Error Messages

Command Errors 249

Execution Errors 252

Query Errors 267

Instrument Errors 268

Self-Test Errors 269

Calibration Errors 271

Arbitrary Waveform Errors 272

Chapter 6 Application Programs

Introduction 276

Example: BASIC for Windows 278

Example: Microsoft Visual Basic for Windows 282

Example: Microsoft Visual C++ for Windows 287

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