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Site Master TM
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
Copyright 1998, Anritsu Co. Revision: A
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
ii
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