Keysight Technologies N9322C Manuel utilisateur

Keysight N9322C

Spectrum Analyzer

Notice: This document contains references to

Agilent. Please note that Agilent’s Test and

Measurement business has become Keysight

Technologies.

User’s Guide

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com

Notices

No part of this manual may be reproduced in

any form or by any means (including elec-

tronic storage and retrieval or translation into

a foreign language) without prior agreement

and written consent from Keysight Technolo-

gies, Inc. as governed by United States and

international copyright laws.

Manual Part Number

N9322-90002

Edition

First Edition, July 2014

Printed in China

Keysight Technologies, Inc.

No 116 Tianfu 4th Street

Chengdu 610041, China

Warranty

The material contained in this docu-

ment is provided “as is,” and is subject

to being changed, without notice, in

future editions. Further, to the maxi-

mum extent permitted by applicable

law, Keysight disclaims all warranties,

either express or implied, with regard

to this manual and any information con-

tained herein, including but not limited

to the implied warranties of merchant-

ability and fitness for a particular pur-

pose. Keysight shall not be liable for

errors or for incidental or consequential

damages in connection with the fur-

nishing, use, or performance of this

document or of any information con-

tained herein. Should Keysight and the

user have a separate written agreement

with warranty terms covering the mate-

rial in this document that conflict with

these terms, the warranty terms in the

separate agreement shall control.

Technology Licenses

The hard ware and/or software described in

this document are furnished under a license

and may be used or copied only in accor-

dance with the terms of such license.

Restricted Rights Legend

U.S. Government Restricted Rights. Software

and technical data rights granted to the fed-

eral government include only those rights

customarily provided to end user customers.

Keysight provides this customary commercial

license in Software and technical data pursu-

ant 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 Computer

Software Documentation).

Safety Notices

CAUTION

A CAUTION notice denotes a hazard.

It calls attention to an operating

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 indicated

conditions are fully understood and

met.

WARNING

A WARNING 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 personal

injury or death. Do not proceed

beyond a WARNING notice until the

indicated conditions are fully

understood and met.

Software Revision

This guide is valid for revision A.04.20 of the

Keysight N9322C Spectrum Analyzer

firmware.

Contents

1Overview1

N9322C at a Glance 2

Front Panel Overview 4

Display Annotations 7

Rear Panel Overview 9

Front and rear panel symbols 10

2 Getting Started 11

Check the Shipment and Order List 12

Options 12

Safety Notice 13

Power Requirements 14

Power On and Check 16

Environmental Requirements 18

Electrostatic Discharge Protection 21

BSA PC software 22

Helpful Tips 23

Perform Calibration 23

Using an External Reference 24

Enable an Options 24

Firmware Upgrade 25

IO Configuration 25

Timed Power On/Off 26

Power Preset Last 26

Data Securities 27

Probe Power Output 27

Contents

3 Functions and Measurements 29

Making a Basic Measurement 30

Using the Front Panel 30

Presetting the Spectrum Analyzer 31

Viewing a Signal 33

Measuring Multiple Signals 35

Comparing Signals on the Same Screen Using Marker Delta 35

Comparing Signals not on the Same Screen Using Marker Delta 37

Resolving Signals of Equal Amplitude 39

Resolving Small Signals Hidden by Large Signals 42

Measuring a Low-Level Signal 44

Reducing Input Attenuation 44

Decreasing the Resolution Bandwidth 46

Trace Averaging 47

Improving Frequency Resolution and Accuracy 49

Tracking Drifting Signals 51

Making Distortion Measurements 53

Identifying Analyzer Generated Distortion 53

Third-Order Intermodulation Distortion 56

Stimulus Response Transmission 59

Measuring Stop Band Attenuation of a Lowpass Filter 61

Channel Scanner 64

Top/Bottom N Channel Scanner 64

List N Channel Scanner 66

Channel Scanner Setup 68

Spectrum Monitor 69

Contents

Reflection Measurement 71

Preparation 71

Measuring Cable Reflection 72

Measuring Distance to Fault 72

Making a Power Measurement with USB Power Sensor 74

Making an Average Power Measurement 75

Making a Peak Power Measurement 79

Power Meter Settings 81

Demodulate the AM/FM signal 84

Demodulating an AM Signal 84

Demodulating an FM Signal 85

Analysis the Modulated Signals 87

AM/FM Modulation Analysis 87

ASK/FSK Modulation Analysis 90

Measuring Channel Power 93

Files Operation 95

4 Key Reference 101

Amplitude 102

BW 106

Display 109

Enter 110

ESC <- 110

Frequency 111

Marker 114

Meas 119

Contents

Channel Power 119

Occupied BW 121

ACPR 123

Spectrum Emission Mask 124

MODE 130

Tracking Generator 130

Power Meter 133

Spectrum Monitor 136

Reflection Measurement 138

AM/FM Modulation Analysis 140

ASK/FSK Modulation Analysis 144

Peak Search 148

System 151

Span 154

Sweep 155

Limit 159

Trace 162

5 Instrument Messages 167

Overview 168

Command Errors 169

Execution Conflict 171

Device-Specific Errors 173

6 Troubleshooting 177

Check the basics 178

Contact Keysight Technologies 180

Contents

7 Menu Maps 181

Amplitude Menu 182

BW/Avg Menu 183

Det/Display Menu 184

File Menu (1 of 2) 185

File Menu (2 of 2) 186

Frequency Menu 187

Marker Menu 188

Marker-> Menu 189

Measure Menu (1 of 2) 190

Measure Menu (2 of 2) 191

MODE - Tracking Generator 192

MODE - Power Meter 193

MODE - AM/FM Modulation Analysis 194

MODE - ASK/FSK Modulation Analysis 195

Name Editor Menu 196

Peak Search Menu 197

Preset/System Menu 198

SPAN Menu 199

Sweep/Trig Menu 200

Trace Menu 201

Index 203

Contents

Overview

1 Overview

Keysight N9322C at a Glance 2

Front Panel Overview 4

Rear Panel Overview 9

Front and rear panel symbols 10

This chapter provides a description of the Keysight N9322C spectrum

analyzer and an introduction to the buttons, features, and functions of

the front and rear instrument panels.

Overview

N9322C at a Glance

The Keysight N9322C spectrum analyzer is a portable, swept

spectrum analyzer with afrequency range of 9kHz to

7.0 GHz. It can be widely used in an electronic

manufacturing environment and in functional/final/QA test

systems.

Features

The Keysight N9322C spectrum analyzer primary features

and functions are described below:

• Power Measurement Suite

The built- in one- button power measurement suite offers

channel power, ACP, OBW, and TOI measurements, and

contains a Pass/Fail testing capability with a mask for

out- of- channel emissions measurement.

• Precision Frequency Reference (Option PFR)

The optinal OCXO frequency reference provides the precise

frquency measurement capability.

• Spectrum Monitor (Option MNT)

Provides the capability to analyze the stability of a signal

over time. The analyzer can be used to monitor the signal

capturing performance or intermittent event over extended

periods of time.

• High Sensitive Measurement (Option P07)

Includes an optional pre- amplifier for signals in the

frequency range up to 7 GHz, enabling more sensitive

measurements. This feature is a great help in analysis of low

level signals.

• High Accuracy Power Measurement

Supports Keysight U2000 series (option PWM) and U2020

series (option PWP) power sensors for high accuracy power

measurement as a power meter.

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