Keysight Technologies N9321C Manual de usuario

Keysight

N9321C/22C/23C/24C

Spectrum Analyzer

User’s Guide

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Notices

2012-2021

No part of this manual may be

reproduced in any form or by any

means (including electronic storage

and retrieval or translation into a

foreign language) without prior

agreement and written consent from

Keysight Technologies, Inc. as

governed by United States and

international copyright laws.

Trademark Acknowledgments

Manual Part Number

N9322-90002

Edition

Edition 4, August 2021

Published in China

Published by:

Keysight Technologies

No 116 Tianfu 4th Street

Chengdu, 610041, China

Warranty

THE MATERIAL CONTAINED IN THIS

DOCUMENT IS PROVIDED “AS IS,”

AND IS SUBJECT TO BEING

CHANGED, WITHOUT NOTICE, IN

FUTURE EDITIONS. FURTHER, TO

THE MAXIMUM EXTENT PERMITTED

BY APPLICABLE LAW, KEYSIGHT

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 PARTICULAR PURPOSE.

KEYSIGHT SHALL NOT BE LIABLE

FOR ERRORS OR FOR INCIDENTAL

OR CONSEQUENTIAL DAMAGES IN

CONNECTION WITH THE

FURNISHING, USE, OR

PERFORMANCE OF THIS

DOCUMENT OR ANY INFORMATION

CONTAINED HEREIN. SHOULD

KEYSIGHT 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 SEPARATE

AGREEMENT WILL 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.

U.S. Government Rights

The Software is “commercial

computer software,” as defined

by Federal Acquisition Regulation

(“FAR”) 2.101. Pursuant to FAR

12.212 and 27.405-3 and

Department of Defense FAR

Supplement (“DFARS”) 227.7202,

the U.S. government acquires

commercial computer software

under the same terms by which

the software is customarily

provided to the public.

Accordingly, Keysight provides

the Software to U.S. government

customers under its standard

commercial license, which is

embodied in its End User License

Agreement (EULA), a copy of

which can be found at

http://www.keysight.com/find/sweula

The license set forth in the EULA

represents the exclusive authority

by which the U.S. government

may use, modify, distribute, or

disclose the Software. The EULA

and the license set forth therein,

does not require or permit,

among other things, that

Keysight: (1) Furnish technical

information related to

commercial computer software

or commercial computer

software documentation that is

not customarily provided to the

public; or (2) Relinquish to, or

otherwise provide, the

government rights in excess of

these rights customarily provided

to the public to use, modify,

reproduce, release, perform,

display, or disclose commercial

computer software or

commercial computer software

documentation. No additional

government requirements

beyond those set forth in the

EULA shall apply, except to the

extent that those terms, rights, or

licenses are explicitly required

from all providers of commercial

computer software pursuant to

the FAR and the DFARS and are

set forth specifically in writing

elsewhere in the EULA. Keysight

shall be under no obligation to

update, revise or otherwise

modify the Software. With

respect to any technical data as

defined by FAR 2.101, pursuant

to FAR 12.211 and 27.404.2 and

DFARS 227.7102, the U.S.

government acquires no greater

than Limited Rights as defined in

FAR 27.401 or DFAR 227.7103-5

(c), as applicable in any technical

data.

Safety Notices

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.

A WARNING 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 personal injury or

death. Do not proceed beyond a

WARNING notice until the indicated

conditions are fully understood and

met.

Contents

Overview 1

N932xC at a Glance 2

Features 2

Optimized Usability 3

Front Panel Overview 4

Display Annotations 7

Rear Panel Overview 9

Front and rear panel symbols 10

Getting Started 11

Check the Shipment and Order List 12

Options 12

Safety Notice 13

Power Requirements 14

AC Power Cord 14

Power On and Check 16

Check for Instrument Messages 17

Environmental Requirements 18

Ventilation 18

Cleaning Tips 18

Rack Mount 19

Electrostatic Discharge Protection 21

HSA and BSA PC software 22

Helpful Tips 23

Perform Calibration 23

Using an External Reference 24

Enable an Options 24

Contents

Firmware Upgrade 25

IO Configuration 26

Timed Power On/Off 26

Power Preset Last 27

Data Securities 27

Probe Power Output 27

Functions and Measurements 29

Making a Basic Measurement 30

Using the Front Panel 30

Presetting the Spectrum Analyzer 31

Viewing a Signal 32

Measuring Multiple Signals 34

Comparing Signals on the Same Screen Using Marker Delta 34

Comparing Signals not on the Same Screen Using Marker Delta 36

Resolving Signals of Equal Amplitude 38

Resolving Small Signals Hidden by Large Signals 41

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

Measuring a Source’s Frequency Drift 51

Making Distortion Measurements 53

Identifying Analyzer Generated Distortion 53

Third-Order Intermodulation Distortion 56

Contents

Stimulus Response Transmission 59

Measuring Stop Band Attenuation of a Lowpass Filter 62

Channel Scanner 65

Top/Bottom N Channel Scanner 65

List N Channel Scanner 67

Channel Scanner Setup 69

Spectrum Monitor 70

Reflection Measurement 72

Preparation 72

Measuring Cable Reflection 73

Measuring Distance to Fault 73

Making a Power Measurement with USB Power Sensor 75

Making an Average Power Measurement 76

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

Perform an EMC Measurement 95

Files Operation 97

Locating and Viewing Files in the Catalog 97

Contents

Saving a File 98

Loading a File 100

Copying a File 101

Deleting a File 101

Key Reference 103

Amplitude 104

BW 108

Display 112

Enter 113

ESC <- 114

Frequency 115

Marker 118

Meas 123

Channel Power 123

Occupied BW 125

ACPR 127

Spectrum Emission Mask 128

MODE 134

Tracking Generator 134

Power Meter 137

Spectrum Monitor 140

Reflection Measurement 142

AM/FM Modulation Analysis 144

ASK/FSK Modulation Analysis 148

Contents

Peak Search 152

System 155

Span 158

Sweep 159

Limit 164

Trace/Det 167

Instrument Messages 173

Overview 174

Command Errors 175

Execution Conflict 177

Device-Specific Errors 179

Troubleshooting 183

Check the Basics 184

Warranty and Service Options 185

Contact Keysight Technologies 186

Menu Maps 187

Amplitude Menu 188

BW Menu 189

Sweep Menu 190

Display Menu 191

File/Mode - Task Planner 192

Frequency Menu 193

Limit Menu 194

Contents

Marker Menu 195

Peak Search Menu 196

Measure Menu (1 of 2) 197

Measure Menu (2 of 2) 198

Mode - Tracking Generator 199

Mode - Power Meter 200

Mode - AM/FM Modulation Analysis 201

Mode - ASK/FSK Modulation Analysis 202

Mode - Reflection Measurement 203

Name Editor Menu 204

System Menu 205

SPAN Menu 206

Trace/Det Menu 207

Overview

1 Overview

Keysight N932xC 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 N932xC spectrum analyzer

and an introduction to the buttons, features, and functions of the front and rear

instrument panels.

For the latest product information, please refer to the link below:

http://www.keysight.com/find/n9321c

http://www.keysight.com/find/n9322c

http://www.keysight.com/find/n9323c

http://www.keysight.com/find/n9324c

For the latest option information, please refer to the link below:

http://www.keysight.com/find/sa_upgrades

Overview

N932xC at a Glance

The Keysight N932xC spectrum analyzer is a portable, swept

spectrum analyzer with a maximum frequency from

4.0 GHz(N9321C) up to 20 GHz(N9324C). It can be widely used in

an electronic manufacturing environment and in

functional/final/QA test systems.

Features

The Keysight N932xC 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 optional OCXO frequency reference provides the precise

frequency 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 P04/P07/P13/P20)

Includes an optional pre-amplifier to enable 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.

• Modulation Analysis Function

provides optional AM/FM and ASK/FSK modulation analysis

function. (AM/FM: Option-AMA ASK/FSK: Option-DMA)

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