Keysight Technologies 8490D Manual de servicio

Keysight 8490D/G, 8491A/B,

8493A/B/C Coaxial Fixed

Attenuators

Keysight 11581A, 11582A,

11583C Attenuator Sets

Operating and

Service Manual

2 Keysight 849x and 1158x Operating and Service Manual

Notices

No part of this manual may be repro-

duced 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 Technol-

ogies as governed by United States and

international copyright laws.

Manual Part Number

08491-90077

Edition

Edition 6, June 26, 2019

Printed in:

Printed in Malaysia

Published by:

Keysight Technologies

Bayan Lepas Free Industrial Zone,

11900 Penang, Malaysia

Technology Licenses

The hardware and/or software

described in this document are fur-

nished under a license and may be

used or copied only in accordance with

the terms of such license.

Declaration of Conformity

Declarations of Conformity for this

product and for other Keysight prod-

ucts may be downloaded from the

Web. Go to http://www.keysight.com/

go/conformity. You can then search by

product number to find the latest Dec-

laration of Conformity.

U.S. Government Rights

The Software is “commercial computer

software,” as defined by Federal Acqui-

sition Regulation (“FAR”) 2.101. Pursu-

ant to FAR 12.212 and 27.405-3 and

Department of Defense FAR Supple-

ment (“DFARS”) 227.7202, the U.S.

government acquires commercial com-

puter 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 stan-

dard 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 Soft-

ware. The EULA and the license set

forth therein, does not require or per-

mit, among other things, that Keysight:

(1) Furnish technical information

related to commercial computer soft-

ware or commercial computer software

documentation that is not customarily

provided to the public; or (2) Relinquish

to, or otherwise provide, the govern-

ment rights in excess of these rights

customarily provided to the public to

use, modify, reproduce, release, per-

form, display, or disclose commercial

computer software or commercial com-

puter 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 pursu-

ant to the FAR and the DFARS and are

set forth specifically in writing else-

where 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.

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 DIS-

CLAIMS ALL WARRANTIES, EITHER

EXPRESS OR IMPLIED, WITH REGARD

TO THIS MANUAL AND ANY INFORMA-

TION CONTAINED HEREIN, INCLUD-

ING BUT NOT LIMITED TO THE

IMPLIED WARRANTIES OF MER-

CHANTABILITY AND FITNESS FOR A

PARTICULAR PURPOSE. KEYSIGHT

SHALL NOT BE LIABLE FOR ERRORS

OR FOR INCIDENTAL OR CONSE-

QUENTIAL DAMAGES IN CONNECTION

WITH THE FURNISHING, USE, OR

PERFORMANCE OF THIS DOCUMENT

OR OF ANY INFORMATION CON-

TAINED HEREIN. SHOULD KEYSIGHT

AND THE USER HAVE A SEPARATE

WRITTEN AGREEMENT WITH WAR-

RANTY TERMS COVERING THE MATE-

RIAL IN THIS DOCUMENT THAT

CONFLICT WITH THESE TERMS, THE

WARRANTY TERMS IN THE SEPARATE

AGREEMENT SHALL CONTROL.

Safety Information

CAUTION

A CAUTION notice denotes a hazard. It

calls attention to an operating proce-

dure, 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 pro-

ceed beyond a CAUTION notice until

the indicated conditions are fully

understood and met.

WARNING

A WARNING notice denotes a hazard. It

calls attention to an operating proce-

dure, 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.

Keysight 849x and 1158x Operating and Service Manual 3

Waste Electrical and Electronic Equipment (WEEE) Directive

This instrument complies with the WEEE Directive marking requirement. This

affixed product label indicates that you must not discard this electrical or

electronic product in domestic household waste.

Product category:

With reference to the equipment types in the WEEE directive Annex 1, this

instrument is classified as a “Monitoring and Control Instrument” product.

The affixed product label is as shown below.

Do not dispose in domestic household waste.

To return this unwanted instrument, contact your nearest Keysight Service Center,

or visit http://about.keysight.com/en/companyinfo/environment/takeback.shtml

for more information.

Sales and Technical Support

To contact Keysight for sales and technical support, refer to the support links on

the following Keysight websites:

–www.keysight.com/find/attenuators

(product-specific information and support, software and

documentation updates)

–www.keysight.com/find/assist

(worldwide contact information for repair and service)

4 Keysight 849x and 1158x Operating and Service Manual

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Keysight 849x and 1158x Operating and Service Manual 5

Table of Contents

Waste Electrical and Electronic Equipment (WEEE) Directive . . . . . . . .3

Product category: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Sales and Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Attenuator overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Optional calibration data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Attenuator sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Initial inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Returning attenuators under warranty . . . . . . . . . . . . . . . . . . . . . . .21

Operating Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Operator’s check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Using oscillator and SWR meter . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Using network analyzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Making Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

8490D/G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

8491A/B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

8493A/B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

8493C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

Performance Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

Service Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

6 Keysight 849x and 1158x Operating and Service Manual

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Keysight 849x and 1158x Operating and Service Manual 7

List of Figures

Figure 1 Equipment setup using oscillator and SWR meter . . .22

Figure 2 Equipment setup using network analyzer . . . . . . . . . .24

Figure 3 2.4-mm/1.85mm connector diagram . . . . . . . . . . . . .25

Figure 4 Type-N connector diagram . . . . . . . . . . . . . . . . . . . . .26

Figure 5 SMA connector diagram . . . . . . . . . . . . . . . . . . . . . . .27

Figure 6 3.5-mm connector diagram . . . . . . . . . . . . . . . . . . . . .28

8 Keysight 849x and 1158x Operating and Service Manual

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Keysight 849x and 1158x Operating and Service Manual 9

List of Tables

Table 1 List of coaxial fixed attenuators . . . . . . . . . . . . . . . . . .11

Table 2 List of attenuator boxed sets . . . . . . . . . . . . . . . . . . . .12

Table 3 Specifications for 8490D coaxial fixed attenuator . . . .13

Table 4 Specifications for 8490G coaxial fixed attenuator . . . .14

Table 5 Specifications for 8491A and 8493A coaxial fixed

attenuators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Table 6 Specifications for 8491B and 8493B coaxial fixed

attenuators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Table 7 Specifications for 8493C coaxial fixed attenuator . . . .18

Table 8 Accuracy of insertion loss measurements (S21, S12)..19

Table 9 Accuracy of reflection coefficient measurements (S11,

S22) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Table 10 849x coaxial fixed attenuator and 1158x attenuator sets

environmental specifications . . . . . . . . . . . . . . . . .20

Table 11 SWR verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

10 Keysight 849x and 1158x Operating and Service Manual

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