Keysight 775D Manuel de service

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Keysight 775D

Dual Directional Couplers

Operating and

Service Manual

ii 775D Operating And Service Manual

Notice

The information contained in this document is subject to change without

notice.

Keysight Technologies makes no warranty of any kind with regard to this

material, including, but not limited to, the implied warranties of

merchantability and fitness for a particular purpose. Keysight Technologies

shall not be liable for errors contained herein or for incidental or

consequential damages in connection with the furnishing, performance, or

use of this material.

Keysight Technologies assumes no responsibility for the use or reliability of

its software on equipment that is not furnished by Keysight Technologies.

This document contains proprietary information which is protected by

photocopied, reproduced, or translated to another language without prior

written consent of Keysight Technologies.

RESTRICTED RIGHTS LEGEND

Use, duplication, or disclosure by the U.S. Government is subject to

restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in Technical

Data and Computer Software clause at DFARS 252.227-7013 for DOD

agencies, and subparagraphs (c)(1) and (c)(2) of the Commercial Computer

Software Restricted Rights clause at FAR 52.227-19 for other agencies.

Keysight Technologies

1400 Fountaingrove Parkway

Santa Rosa, CA 95403-1799, U.S.A.

775D Operating And Service Manual iii

In This Manual…

•Overview, page 1

•Specifications, page 2

•Unpacking and Setup, page 3

•Applications, page 6

•Performance Tests, page 10

•Directivity Test, page 12

•Primary-Line SWR Test, page 14

•Swept-Frequency Test, page 14

•Fixed-Frequency Test, page 15

•Auxiliary Arm SWR Test, page 17

•Fixed-Frequency Auxiliary-Arm SWR Test, page 19

•Coupling Test, page 21

•Insertion Loss Test, page 23

iv 775D Operating And Service Manual

Warranty

Custom systems are warranted by contractual agreement between

Keysight Technologies and the customer.

Certification Keysight Technologies certifies that this product met its published

specifications at the time of shipment from the factory. Keysight

Technologies further certifies that its calibration measurements are

traceable to the United States National Institute of Standards and

Technology (NIST, formerly NBS), to the extent allowed by the Institute’s

calibration facility, and to the calibration facilities of other International

Standards Organization members.

Warranty This Keysight Technologies system product is warranted against defects in

materials and workmanship for a period corresponding to the individual

warranty periods of its component products. Instruments are warranted for a

period of one year. During the warranty period, Keysight Technologies will,

at its option, either repair or replace products that prove to be defective.

Warranty service for products installed by Keysight Technologies and

certain other products designated by Keysight Technologies will be

performed at Buyer’s facility at no charge within Keysight Technologies

service travel areas. Outside Keysight Technologies service travel areas,

warranty service will be performed at Buyer’s facility only upon Keysight

Technologies’ prior agreement and Buyer shall pay Keysight Technologies’

round trip travel expenses. In all other areas, products must be returned to a

service facility designated by Keysight Technologies.

For products returned to Keysight Technologies for warranty service, Buyer

shall prepay shipping charges to Keysight Technologies and Keysight

Technologies shall pay shipping charges to return the product to Buyer.

However, Buyer shall pay all shipping charges, duties, and taxes for products

returned to Keysight Technologies from another country.

Keysight Technologies warrants that its software and firmware designated

by Keysight Technologies for use with an instrument will execute its

programming instructions when properly installed on that instrument.

Keysight Technologies does not warrant that the operation of the

instrument, or software, or firmware will be uninterrupted or error free.

LIMITATION OF WARRANTY. The foregoing warranty shall not apply

to defects resulting from improper or inadequate maintenance by Buyer,

Buyer-supplied software or interfacing, unauthorized modification or

misuse, operation outside of the environmental specifications for the

product, or improper site preparation or maintenance.

775D Operating And Service Manual v

NO OTHER WARRANTY IS EXPRESSED OR IMPLIED. KEYSIGHT

TECHNOLOGIES SPECIFICALLY DISCLAIMS THE IMPLIED

WARRANTIES OR MERCHANTABILITY AND FITNESS FOR A

PARTICULAR PURPOSE.

EXCLUSIVE REMEDIES. THE REMEDIES PROVIDED HEREIN ARE

BUYER’S SOLE AND EXCLUSIVE REMEDIES. KEYSIGHT

TECHNOLOGIES SHALL NOT BE LIABLE FOR ANY DIRECT,

INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,

WHETHER BASED ON CONTRACT, TORT, OR ANY OTHER LEGAL

THEORY.

YEAR 2000. Keysight Technologies warrants that each Keysight Technologies

hardware, software, and firmware product on Keysight Technologies’

Corporate Price List (dated July 1, 1998 or later) delivered under the product’s

contract of sale will be able to accurately process date data

(including, but not limited to, calculating, comparing, and sequencing) from,

into, and between the twentieth and twenty-first centuries, and the years 1999

and 2000, including leap year calculations, when used in accordance with the

product documentation provided that all other products (that is, hardware,

software, firmware) used in combination with such Keysight Technologies

product(s) properly exchange date data with it. If the agreement requires that

specific Keysight Technologies products must perform as a system in

accordance with the foregoing warranty, then that warranty will apply to those

Keysight Technologies products as a system, and Customer retains sole

responsibility to ensure the year 2000 readiness of its information technology

and business environment. The duration of this warranty extends through

January 31, 2001.

The remedies available under this warranty will be defined in, and subject to,the

terms and limitations of the warranties contained in the contract of sale. To the

extent permitted by local law, this warranty applies only to branded Keysight

Technologies products and not to products manufacture by others that may be

sold or distributed by Keysight Technologies. Nothing in this warranty will be

construed to limit any rights or remedies provided elsewhere in the contract of

sale with respect to matters other than year 2000 compliance.

Assistance Product maintenance agreements and other customer assistance agreements

are available for Keysight Technologies products.

For assistance, call your local Keysight Technologies Sales and Service

Office (refer to “Service and Support” on page vi).

vi 775D Operating And Service Manual

Service and Support

By internet, phone, or fax, get assistance with all your test and measurement needs.

Online assistance: www.keysight.com/find/assist

United States

(tel) 1 800 452 4844 Latin America

(tel) (305) 269 7500

(fax) (305) 269 7599

Canada

(tel) 1 877 894 4414

(fax) (905) 282-6495

Europe

(tel) (+31) 20 547 2323

(fax) (+31) 20 547 2390

New Zealand

(tel) 0 800 738 378

(fax) (+64) 4 495 8950

Japan

(tel) (+81) 426 56 7832

(fax) (+81) 426 56 7840

Australia

(tel) 1 800 629 485

(fax) (+61) 3 9210 5947

Asia Call Center Numbers

Country Phone Number Fax Number

Singapore 1-800-375-8100 (65) 836-0252

Malaysia 1-800-828-848 1-800-801664

Philippines (632) 8426802

1-800-16510170 (PLDT Subscriber Only) (632) 8426809

1-800-16510288 (PLDT

Subscriber Only)

Thailand (088) 226-008 (outside Bangkok)

(662) 661-3999 (within Bangkok) (66) 1-661-3714

Hong Kong 800-930-871 (852) 2506 9233

Taiwan 0800-047-866 (886) 2 25456723

People’s Republic of

China 800-810-0189 (preferred)

10800-650-0021 10800-650-0121

India 1-600-11-2929 000-800-650-1101

775D Operating And Service Manual vii

Safety and Regulatory Information

Review this product and related documentation to familiarize yourself with

safety markings and instructions before you operate the instrument. This

product has been designed and tested in accordance with international

standards.

WARNING The WARNING notice denotes a hazard. It calls attention to a procedure,

practice, or the like, that, if not correctly performed or adhered to, could result

in personal injury. Do not proceed beyond a WARNING notice until the

indicated conditions are fully understood and met.

CAUTION The CAUTION notice denotes a hazard. It calls attention to an operating

procedure, practice, or the like, which, 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.

Instrument Markings

When you see this symbol on your instrument, you should refer to the instrument’s

instruction manual for important information.

This symbol indicates hazardous voltages.

The laser radiation symbol is marked on products that have a laser output.

This symbol indicates that the instrument requires alternating current (ac) input.

The CE mark is a registered trademark of the European Community. If it is

accompanied by a year, it indicates the year the design was proven.

The CSA mark is a registered trademark of the Canadian Standards Association.

1SM1-A This text indicates that the instrument is an Industrial Scientific and Medical Group 1

Class A product (CISPER 11, Clause 4).

This symbol indicates that the power line switch is ON.

This symbol indicates that the power line switch is OFF or in STANDBY position.

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