Anritsu Site Master S251A Bedienungsanleitung

Site Master ™

S251A

Antenna and

Cable Analyzer

User's Guide

Hand-Held Tester For Antennas, Transmission

Lines And Other RF Components

Color Cover P/N: 00986-00022

WARRANTY

The Anritsu product(s) listed on the title page is (are) warranted

against defects in materials and workmanship for one year from the

date of shipment.

Anritsu's obligation covers repairing or replacing products which prove

to be defective during the warranty period. Buyers shall prepay trans-

portation charges for equipment returned to Anritsu for warranty re-

pairs. Obligation is limited to the original purchaser. Anritsu is not

liable for consequential damages.

LIMITATION OF WARRANTY

The foregoing warranty does not apply to Anritsu connectors that have

failed due to normal wear. Also, the warranty does not apply to de-

fects resulting from improper or inadequate maintenance by the

Buyer, unauthorized modification or misuse, or operation outside the

environmental specifications of the product. No other warranty is ex-

pressed or implied, and the remedies provided herein are the Buyer's

sole and exclusive remedies.

TRADEMARK ACKNOWLEDGEMENTS

MS-DOS, Windows, Windows for Workgroups, Windows NT, and Win-

dows 95 are registered trademarks of the Microsoft Corporation.

Site Master and Cable Mate are trademarks of Anritsu Company.

NOTICE

Anritsu Company has prepared this manual for use by Anritsu Com-

pany personnel and customers as a guide for the proper installation,

operation and maintenance of Anritsu Company equipment and com-

puter programs. The drawings, specifications, and information con-

tained herein are the property of Anritsu Company, and any

unauthorized use or disclosure of these drawings, specifications, and

information is prohibited; they shall not be reproduced, copied, or

used in whole or in part as the basis for manufacture or sale of the

equipment or software programs without the prior written consent of

Anritsu Company.

Table of Contents

General Information ..........1-1

Introduction..................1-1

Description ..................1-1

Standard Accessories.............1-2

Options ....................1-3

Optional Accessories .............1-3

Performance Specifications .........1-5

Preventive Maintenance ...........1-8

Calibration ..................1-9

Annual Verification .............1-10

Connectors and Controls .......2-1

Introduction..................2-1

Test Panel Connectors ............2-1

Keypad Controls ...............2-2

Soft Keys and Menus .............2-7

Determining Remaining Battery Life . . . 2-26

Printing....................2-27

Printer Switch Settings ................2-27

Printing a Screen ...................2-28

Symbols ...................2-29

Self Test ...................2-29

Error Codes .................2-29

Self Test Errors ....................2-29

Range Errors .....................2-29

Replacing the Battery ............2-29

Using the Soft Carrying Case........2-35

August 1998 10580-00020

Operation ................3-1

Introduction..................3-1

Operating Functions .............3-1

Making Common Function Selections ...3-3

Applying Power ....................3-3

Setting Options .....................3-3

Setting Markers ....................3-3

Setting Scale/Limits ..................3-4

Return Loss (SWR) and Cable Loss

(One Port) Measurement ..........3-5

Required Equipment..................3-5

Device-Under-Test Specification ...........3-5

Procedure ........................3-5

Selecting the Measurement Mode...........3-5

Selecting the Frequency Range ............3-7

Performing a Calibration ...............3-7

Cable Return Loss Measurement ...........3-9

Setting the Limit Line .................3-9

Setting the Markers ..................3-9

Saving Display to Memory ..............3-11

Cable Loss Measurement...............3-11

Scaling the Display ..................3-11

Saving Display to Memory ..............3-12

DTF Measurement .............3-13

Required Equipment .................3-13

Device-Under-Test Specification...........3-13

Procedure .......................3-13

DTF Parameters Setup ................3-13

Performing a Calibration...............3-15

DTF Measurement (Determining the Length

of the Cable) .....................3-16

DTF Measurement (Determining the Quality

of the Cable) .....................3-18

Insertion Gain (Amplifier) Measurement . 3-20

Required Equipment .................3-20

Device-Under-Test Specification...........3-20

Procedure .......................3-20

Insertion Gain Mode Selection............3-20

Selecting the Frequency Range ...........3-21

Performing a Calibration...............3-21

Amplifier Gain Measurement ............3-24

Setting the Markers..................3-24

Activating the Bias Tee ................3-27

Scaling the Display ..................3-27

Saving Display to Memory ..............3-28

Making Power Measurements .......3-29

Entering Power Monitor Mode ...........3-29

Zeroing the Power Monitor .............3-29

Measuring High Input Power Levels ........3-29

Displaying Power in dBm and Watts ........3-30

Displaying Relative Power ..............3-30

RF Source Operation ............3-31

Generating a CW Frequency.............3-31

Software Tools Program........4-1

Description ..................4-1

Requirements .................4-1

Communication Port Setting.........4-2

Changing COM Port Settings–Windows 3.1 .....4-2

Changing COM Port Settings–Windows 95 .....4-4

Software Installation .............4-6

Plot Capture..................4-8

Capture multiple to database .............4-8

Capture multiple traces to PC screen.........4-9

Single trace capture..................4-10

Program Operation .............4-11

Fault Location Software ..........4-11

Smith Chart Software............4-12

Saving a Plot as a Windows Metafile....4-12

iii

Saving Data to a Spreadsheet........4-13

Saving Data to a Database .........4-13

“Drag-n-Drop” ...............4-14

Printing....................4-14

Appendix A Reference Data .....A-1

Description ..................A-1

How to Use this Manual

The operation of the Site Master ™ is straightforward and intuitive.

However, you may find it helpful to review the operation of the keys

and menus prior to first-time use.

Descriptions of the keys and menus are provided in Chapter 2; mea-

surement procedures are found in Chapter 3.

First-time users and maintenance supervisors will benefit from perusing

the material in Chapter 1. This chapter describes the instrument and

provides listings of options, accessories, and performance specifica-

tions.

Please Recycle

This product contains a rechargeable nickel-

cadmium battery. Spent nickel-cadium bat-

teries are valuable resources, do not throw

them away. Arrange for proper return for re-

cycling in your locality. If you do not have

access to proper disposal methods, return the

battery to your Anritsu service center.

Anritsu service centers will dispose of the

unit at no charge. Anritsu service centers are

listed in Table 1-2 (page 1-11).

Site Master S251A

1-0

Figure 1-1. Site Master System

Chapter 1

General Information

Introduction

This chapter provides a description, performance specifications, op-

tional accessories, preventive maintenance, and calibration require-

ments for the Site Master model S251A. Throughout this manual, the

term Site Master will refer to the model S251A.

Model Frequency Range

S251A 625 to 2500 MHz

Description

The Site Master (Figure 1-1) is a hand held S21 (transmission gain or

loss), SWR/RL (standing wave ratio/return loss), and Distance-To-

Fault (DTF) measurement instrument that includes a built-in synthe-

sized signal source and an optional power monitor. It uses a keypad to

enter data and a liquid crystal display (LCD) to provide a graphical in-

dication of S21, SWR, or RL over the selected frequency range. The

Site Master has a built-in distance-to-fault (DTF) capability. It is capa-

ble of up to two hours of continuous operation from a fully charged in-

ternal battery and can be operated from a 12.5 dc source (which will

also simultaneously charge the battery). Built-in energy conservation

features can be used to extend battery life over an eight-hour work day.

The Site Master is designed for measuring transmission gain/insertion

loss, SWR, return loss, or cable insertion loss and locating faulty RF

1-1

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