Keysight Technologies N9340B Manuel utilisateur

Keysight N9340B

Handheld Spectrum Analyzer

User's Guide

Notice: This document contains references to

Agilent. Please note that Agilent’s Test and

Measurement business has become

Keysight Technologies.

99 Washington Street

Melrose, MA 02176

800.517.8431

TestEquipmentDepot.com

Notices

2008-2015

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

N9340-90008

Edition

Edition 3, December 2015

Printed in China

Published by:

Keysight Technologies

No 116 Tianfu 4th street

Chiengdu, 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) 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.

1 Overview

Introduction 2

Front Panel Overview 5

Display Annotations 6

Top Panel Overview 7

Instrument Markings 8

2 Getting Started

Checking Shipment and Order List 10

Power Requirements 11

AC Power Cords 12

Safety Considerations 13

Working with Batteries 16

Powering on the Analyzer for the First Time 18

Preparation for Use 19

Making a Basic Measurement 21

3System and File

System Setting 24

Power On and Preset Settings 24

Factory Default Settings 25

Visual and Audio Adjustment 26

General system settings 26

Switch Timer 27

IP configuration 27

Upgrading Firmware 28

Ext Input 28

Adding an Option 29

Show System 30

Show Error 30

Perform a Time Base Calibration 30

Low Frequency Channel 31

File 32

Contents

4 Making Measurements

Measuring Multiple Signals 38

Measuring a Low-Level Signal 43

Improving Frequency Resolution and Accuracy 48

Making Distortion Measurements 49

Making a Stimulus Response Transmission Measurement 55

Measuring Stop Band Attenuation of a Low-pass Filter 57

Making a Reflection Calibration Measurement 59

Measuring Return Loss Using the Reflection Calibration

Routine 62

Making an Average Power Measurement 63

Spectrogram 68

Demodulating an FM Signal 71

Analysis the Demodulated Signals 73

ASK/FSK Demodulation Analysis 76

Monitoring the ADSL Signal with Option XDM 79

5Key Reference

Amplitude 82

BW/SWP 86

Enter 92

ESC/CLR 92

Frequency 93

Marker 95

MEAS 100

MODE 112

SPAN 128

TRACE 132

LIMIT 137

6 Error Messages

Overview 140

Error Message List 141

7 Troubleshooting

Check the basics 146

Warranty and Service Options 147

Contact Keysight Technologies 148

8 Menu Map

Documentation Conventions:

1. A pair of curly brackets { } indicates a softkey, for example

{Start} refers to the Start softkey.

2. A pair of square brackets [ ] indicates a hardkey, 

for example, [ENTER] refers to the ENTER hardkey.

3. “Analyzer” refers to Keysight N9340B handheld spectrum

analyzer in the following chapters.

4. “DUT” refers to a device under test.

Overview

1Overview

Overview

Introduction

The Keysight N9340B is a handheld spectrum analyzer

with a frequency range of 100 kHz to 3 GHz, tunable to

9 kHz. It has several different measurement modes. Each

mode offers a set of automatic measurements that

pre-configure the analyzer settings for ease of use. It

provides ultimate measurement flexibility in a package

that is ruggedized for field environments and convenient

for mobile applications.

Functionality and Features

The Keysight N9340B spectrum analyzer provides you

with a comprehensive functionality set, and

measurement convenience, including:

• Power Measurement

Provides power measurement functionality on OBW

(Occupied Bandwidth), channel power, ACPR (Adjacent

Channel Power Ratio).

•Spectrogram

Provides the capability to analyze the stability of a

signal over time. With option INM, the N9340B can

monitor the signal capturing performance or intermit-

tent events unatteded over extended periods of time.

•Spectrum Emission Mask

Provides a Pass/Fail testing capability with a mask for

out-of-channel emissions measurement.

• High Accuracy Power Measurement

The N9340B supports the Keysight U2000 series

power sensors for high accuracy power measurement

as a power meter.

• IBOC Measurement (Option IBC)

Provides the in-band-on-channel measurement

capability through a dedicated measurement person-

ality and selected hardware improvement.

Overview

Introduction

•xDSL Measurement (Option XDM)

Supports measurements on ADSL, ADSL2+ and VDSL

networks.

• Demodulation Analysis Function

provides AM/FM and ASK/FSK demodulation analysis

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

Option-DMA)

• Tracking Generator (Option TG3)

Provides an RF source for scalar network analysis.

• High-sensitivity measurement (Option PA3)

Includes a 3 GHz pre-amplifier, enabling highly sensi-

tivity measurements, useful in the analysis of

low-level signals.

Overview

Introduction

Optimized Usability

The Keysight N9340B handheld spectrum analyzer

provides enhanced usability:

• The 6.5-inch TFT colorful LCD screen ( pixels)

enables you to read the scans easily and clearly both

indoors and outdoors.

• Arc-shaped handle and rugged rubber casing ensure

a comfortable and firm hold and ruggedness.

• SCPI remote control via USB and LAN port.

• The PC software in the N9340B Helpkit CD is

convenient for your further editing and data analysis.

• 4-hour-time battery provides continuous work time in

the field test.

• The light sensor adjusts the display brightness

according to the environment to save power.

• The headphone jack on the top panel is for the audio

signal analysis and monitor.

• Back-lit keys makes you find the right keys in

darkness easily.

640 480

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