Keysight 849 Series Service-Handbuch

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 reproduced in

any form or by any means (including electronic

storage and retrieval or translation into a for-

eign language) without prior agreement and

written consent from Keysight Technologies as

governed by United States and international

Manual Part Number

08491-90077

Edition

Edition 6, November 27, 2018

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 furnished 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 products may be down-

loaded from the Web. Go to http://www.key-

sight.com/go/conformity. You can then search

by product number to find the latest Declara-

tion of Conformity.

U.S. Government Rights

The Software is “commercial computer soft-

ware,” as defined by Federal Acquisition Regu-

lation (“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.key-

sight.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 documenta-

tion that is not customarily provided to the

public; or (2) Relinquish to, or otherwise pro-

vide, the government rights in excess of these

rights customarily provided to the public to

use, modify, reproduce, release, perform, dis-

play, or disclose commercial computer soft-

ware 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.

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 WARRAN-

TIES, EITHER EXPRESS OR IMPLIED, WITH

REGARD TO THIS MANUAL AND ANY INFOR-

MATION CONTAINED HEREIN, INCLUDING

BUT NOT LIMITED TO THE IMPLIED WARRAN-

TIES 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 DOCU-

MENT OR OF ANY INFORMATION CONTAINED

HEREIN. SHOULD KEYSIGHT AND THE USER

HAVE A SEPARATE WRITTEN AGREEMENT

WITH WARRANTY TERMS COVERING THE

MATERIAL IN THIS DOCUMENT THAT CON-

FLICT 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 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 pro-

ceed beyond a CAUTION notice until the indi-

cated conditions are fully understood and met.

WARNING

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.

Keysight 849x and 1158x Operating and Service Manual 3

Printing Copies of Documentation from the Web

To print copies of documentation from the Web, download the PDF file from the Keysight web site:

–Gotohttp://www.keysight.com.

– Enter the document’s part number (located on the Notices page) in the Quick Search box.

– Click GO.

– Click on the hyperlink for the document.

– Click the printer icon located in the tool bar.

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

Printing Copies of Documentation from the Web . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

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

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

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

Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Initial inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Returning attenuators under warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Operating Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Operator’s check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Using oscillator and SWR meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Using network analyzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Making Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

8490D/G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

8491A/B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

8493A/B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

8493C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Performance Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Service Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

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 . . . . . . . . . . . . . . . 21

Figure 2 Equipment setup using network analyzer . . . . . . . . . . . . . . . . . . . . . . 23

Figure 3 2.4-mm/1.85mm connector diagram . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 4 Type-N connector diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Figure 5 SMA connector diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Figure 6 3.5-mm connector diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

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 coaxial fixed attenuators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 . . . . . . . . . . . . . . . . 17

Table 8 Accuracy of insertion loss measurements (S21, S12) . . . . . . . . . . . . . . 18

Table 9 Accuracy of reflection coefficient measurements (S11, S22) . . . . . . . . 18

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

specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Table 11 SWR verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

10 Keysight 849x and 1158x Operating and Service Manual

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