Agilent Technologies N9320A Manual de usuario

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Agilent N9320A

Spectrum Analyzer

User’s Guide

Notices

No part of this manual may be reproduced

in any form or by any means (including

electronic storage and retrieval or transla-

tion into a foreign language) without prior

agreement and written consent from Agi-

lent Technologies, Inc. as governed by

United States and international copyright

laws.

Manual Part Number

N9320-90001

Edition

First Edition, Dec. 2006

Printed in China

Agilent Technologies, Inc.

Hi-Tech Industrial Development Zone (West

District)

Chengdu 611731, P.R.C

Warranty

The material contained in this docu-

ment is provided “as is,” and is sub-

ject to being changed, without notice,

in future editions. Further, to the max-

imum extent permitted by applicable

law, Agilent disclaims all warranties,

either express or implied, with regard

to this manual and any information

contained herein, including but not

limited to the implied warranties of

merchantability and fitness for a par-

ticular purpose. Agilent shall not be

liable for errors or for incidental or

consequential damages in connection

with the furnishing, use, or perfor-

mance of this document or of any

information contained herein. Should

Agilent and the user have a separate

written agreement with warranty

terms covering the material in this

document that conflict with these

terms, the warranty terms in the sep-

arate agreement shall control.

Technology Licenses

The hardware and/or software described in

this document are furnished under a

license and may be used or copied only in

accordance with the terms of such license.

Restricted Rights Legend

U.S. Government Restricted Rights. Soft-

ware and technical data rights granted to

the federal government include only those

rights customarily provided to end user cus-

tomers. Agilent provides this customary

commercial license in Software and techni-

cal data pursuant to FAR 12.211 (Technical

Data) and 12.212 (Computer Software) and,

for the Department of Defense, DFARS

252.227-7015 (Technical Data - Commercial

Items) and DFARS 227.7202-3 (Rights in

Commercial Computer Software or Com-

puter Software Documentation).

Safety Notices

CAUTION

A CAUTION notice denotes a haz-

ard. It calls attention to an operat-

ing procedure, practice, or the like

that, if not correctly performed or

adhered to, could result in damage

to the product or loss of important

data. Do not proceed beyond a

CAUTION notice until the indi-

cated conditions are fully under-

stood and met.

WARNING

A WARNING notice denotes a

hazard. It calls attention to an

operating procedure, practice, or

the like that, if not correctly per-

formed or adhered to, could result

in personal injury or death. Do not

proceed beyond a WARNING

notice until the indicated condi-

tions are fully understood and

met.

Software Revision

This guide is valid for A.01.00 revisions of

the Agilent N9320A Spectrum Analyzer

software.

In This User’s Guide…

This guide contains operation information for the N9320A

Spectrum Analyzer.

1 Overview

A quick overview of the front and rear panels.

2 Getting Started

Unpacking and setting up your analyzer.

3 Functions and Measurements

How to use the analyzer in the basic applications.

4KeyReference

Describe every front- panel hardkeys and the related softkeys’

functions in detail.

5 One-Button Measurements

Describe the key definition of one- button measurement.

6 Instrument Messages

This chapter give the instrument messages of the analyzer.

7 In Case of Difficulty

This chapter provides some information and tips when you

met some difficulties.

8MenuMaps

The overall list of the menu structure maps.

For more information about N9320A Spectrum Analyzer, see

www.agilent.com/find/n9320a.

Contents

1 Overview 1

Agilent N9320A at a Glance 2

Front Panel Overview 3

Display Annotations 6

Rear Panel Overview 8

Front and rear panel symbols 9

2 Getting Started 11

Check the Shipment and Order List 12

Power Requirements 13

Safety Notice 15

Electrostatic Discharge Protection 16

Environmental Requirements 17

Power on and Check 18

Some helpful Tips 20

Running Internal Alignments 20

Enable the Options 20

Using an External Reference 21

Firmware Revision 21

Remote Control 22

3 Functions and Measurements 23

Making a Basic Measurement 24

Measuring Multiple Signals 28

Contents

Comparing Signals on the Same Screen

Using Marker Delta 28

Comparing Signals not on the Same Screen

Using Marker Delta 30

Resolving Signals of Equal Amplitude 32

Resolving Small Signals Hidden by Large Signals 35

Measuring a Low-Level Signal 37

Reducing Input Attenuation 37

Decreasing the Resolution Bandwidth 39

Trace Averaging 40

Improving Frequency Resolution and Accuracy 41

Tracking Drifting Signals 43

Measuring a Source’s Frequency Drift 43

Making Distortion Measurements 45

Identifying Analyzer Generated Distortion 45

Third-Order Intermodulation Distortion 48

Measuring Phase Noise 51

Viewing Catalogs and Saving Files 52

4KeyReference 57

Amplitude 58

Auto Tune 60

Back <- 61

BW/Avg 62

Det/Display 65

Enter 71

File 72

Frequency 78

Contents

Marker 80

Marker-> 84

Meas 85

MODE 86

Peak Search 87

Preset/System 91

SPAN 97

Sweep/Trig 98

View/Trace 100

5 One-Button Measurements 101

Channel Power 102

Occupied BW 104

ACP 107

Intermod (TOI) 110

Spectrum Emission Mask 112

6 Instrument Messages 119

Overview 120

Command Errors 121

Execution Conflict 123

Device-Specific Errors 125

7 In Case of Difficulty 129

Check the Basics 130

Read the Warranty 131

Contact Agilent Technologies 132

Contents

8MenuMaps 133

Amplitude Menu 134

BW/Avg Menu 135

Det/Display Menu 136

File Menu (1 of 2) 137

File Menu (2 of 2) 138

Frequency Menu 139

Marker Menu 140

Marker-> Menu 141

Measure Menu (1 of 2) 142

Measure Menu (2 of 2) 143

MODE Menu 144

Name editor Menu 145

Peak Search Menu 146

Preset/System Menu 147

SPAN Menu 148

Sweep/Trig Menu 149

View/Trace Menu 150

Index 151

s

Agilent N9320A Spectrum Analyzer

User’s Guide

Overview

Agilent N9320A at a Glance 2

Front Panel Overview 4

Rear Panel Overview 9

Front and rear panel symbols 10

This chapter describes the general features and functions of

the Agilent N9320A spectrum analyzer and provides an

introduction of the front and rear panels.

2N9320A Spectrum Analyzer

1Overview

Agilent N9320A at a Glance

An Agilent N9320A spectrum analyzer is a swept portable

spectrum analyzer with afrequency range of 9kHz to

3.0 GHz. It can be a fundamental component of an

automated system, and be widely used in electronic

manufacturing functional/final/QA test systems.

An Agilent N9320A spectrum analyzer provides features and

functions as below:

• High sensitive measurement

The spectrum analyzer includes a pre- amplifier for signal up

to 3 GHz, enabling highly sensitive measurements. This helps

in analysis of weak signals.

• Pass/fail limits

Upper and lower limits can be set on the screen, thereby

enable the user to make PASS/FAIL judgments on trace data.

• Four-trace detection display

The spectrum analyzer displays up to four independent

traces simultaneously.

• SSB Phase Noise Measurement

The analyzer provides the automatic single- sideband phase

noise measurement capability (dBc/Hz). The display includes

frequency offset and the noise value.

• Frequency counter with 0.1 Hz resolution

The built- in counter allows the user to measure the signal

frequency with 0.1 Hz resolution.

•USBinterface

Using this interface allows the operator to save and transfer

a screen shot (in JPG format) to a USB storage device. This

feature enables measurement data to be gathered and pasted

into reports in a PC environment.

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