Anritsu Site Master S251B Bedienungsanleitung

Site Master

Model S251B

Antenna and

Cable Analyzer

User's Guide

Hand-Held Tester for Transmission Lines

and other RF Components

Anritsu S251B Specs

Provided by www.AAATesters.com

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 defec-

tive during the warranty period. Buyers shall prepay transportation charges for

equipment returned to Anritsu for warranty repairs. Obligation is limited to the origi-

nal 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 defects resulting from improper or

inadequate maintenance by the Buyer, unauthorized modification or misuse, or op-

eration outside the environmental specifications of the product. No other warranty is

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

exclusive remedies.

TRADEMARK ACKNOWLEDGMENTS

MS-DOS, Windows, Windows 95, Windows NT, and Windows 98 are registered

trademarks of the Microsoft Corporation.

Anritsu and Site Master are trademarks of Anritsu Company.

NOTICE

Anritsu Company has prepared this manual for use by Anritsu Company personnel

and customers as a guide for the proper installation, operation and maintenance of

Anritsu Company equipment and computer programs. The drawings, specifications,

and information contained herein are the property of Anritsu Company, and any un-

authorized 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.

September 1999 10580-00032

Table of Contents

Chapter 1 - General Information 1-1

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

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

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

Options ....................................1-2

Optional Accessories .............................1-2

Performance Specifications .........................1-3

Preventive Maintenance ...........................1-6

Calibration ..................................1-7

Annual Verification..............................1-7

Chapter 2 - Getting Started 2-1

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

Charging a New Battery ...........................2-1

Charging the Battery in the Site Master .....................2-1

Charging the Battery in the Optional Charger..................2-1

Battery Charge Indicator ..........................2-2

Discharging the NiMH Battery .......................2-3

Battery Life ..................................2-3

Important Battery Information .......................2-3

Chapter 3 - Functions and Operations 3-1

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

Front Panel Overview ............................3-1

Test Connector Panel.............................3-2

Keypad Controls ...............................3-3

Soft Keys ...................................3-6

Power Monitor Menu ............................3-20

Printing....................................3-21

Printing a Screen .................................3-21

Printer Switch Settings ..............................3-22

Symbols ...................................3-23

Self Test ...................................3-23

Error Codes .................................3-24

Self Test Errors ..................................3-24

Range Errors ...................................3-25

Using the Soft Carrying Case........................3-28

Chapter 4 - Measurements 4-1

Introduction..................................4-1

Measurement Functions ...........................4-1

Power On Procedure .............................4-2

Calibration Procedure ............................4-2

Selecting the Frequency Range ..........................4-3

Performing a Calibration .............................4-3

Setting the Amplitude Scale ............................4-4

Saving the Setup ..................................4-4

Recalling a Setup ..................................4-4

Saving a Display to Memory ............................4-5

Recalling a Display From Memory ........................4-5

SWR (Return Loss) and Cable Loss Measurement ............4-9

Required Equipment ................................4-9

Device-Under-Test Specification..........................4-9

Procedure ......................................4-9

Selecting the Measurement Mode .........................4-9

Selecting the Frequency Range ..........................4-9

Performing a Calibration .............................4-10

SWR or Return Loss Measurement .......................4-11

Set the Amplitude Scale and Limit Line .....................4-11

Setting the Markers ................................4-13

Cable Loss Measurement ..........................4-14

Setting the Amplitude Scale ...........................4-14

Setting the Segment Limit LInes .........................4-14

DTF Measurement .............................4-16

Required Equipment ...............................4-16

Device-Under-Test Specification .........................4-16

Procedure .....................................4-16

Selecting the Measurement Mode ........................4-16

Performing a Calibration .............................4-17

DTF Measurement (Determining the Length of the Cable) ..........4-18

Setting the Amplitude Scale ...........................4-18

Setting the Marker ................................4-18

DTF Measurement (Determining the quality of the cable.) ..........4-20

Setting the Amplitude Scale ...........................4-20

Setting the Markers ................................4-20

Insertion Gain (Amplifier) Measurement .................4-22

Required Equipment ...............................4-22

Device-Under-Test Specification .........................4-22

Procedure .....................................4-22

Selecting the Measurement ............................4-22

Selecting the Frequency Range..........................4-22

Performing a Calibration .............................4-22

Amplifier Gain Measurement ..........................4-24

Setting the Markers ................................4-24

Activating the Bias Tee ..............................4-25

Setting the Amplitude Scale ...........................4-25

Making Power Measurements .......................4-27

Entering Power Monitor Mode..........................4-27

Zeroing the Power Monitor............................4-27

Measuring High Input Power Levels.......................4-27

Displaying Power in dBm and Watts ......................4-27

Displaying Relative Power ............................4-27

Chapter 5 - Software Tools Program 5-1

Description ..................................5-1

Requirements .................................5-1

Communication Port Setting.........................5-1

Changing COM Port Settings–Windows 95/98/NT ...............5-1

Software Installation .............................5-3

Plot Capture..................................5-3

Capture multiple traces to a database.......................5-4

Capture single or multiple traces to PC screen..................5-4

Custom Cable List Uploading and Downloading..............5-5

Uploading a Cable List to the Site Master Custom Cable Table ........5-5

Downloading a Cable List from the Site Master Custom Cable Table .....5-5

Saving a Custom Cable List ............................5-5

Program Operation..............................5-6

Fault Location Software ...........................5-6

Smith Chart Software ............................5-6

Saving a Plot as a Windows Metafile or as a Spreadsheet File ......5-7

Pasting a Plot in Graphic or Spreadsheet Format .............5-7

Saving Data to a Database ..........................5-7

“Drag-n-Drop” ................................5-7

Printing ....................................5-8

Appendix A - Reference Data A-1

Coaxial Cable Technical Data........................A-1

iii/iv

Chapter 1

General Information

Introduction

This chapter provides a description, performance specifications, optional accessories, pre-

ventive maintenance, and calibration requirements for the Site Master model S251B.

Throughout this manual, the term Site Master will refer to the S251B.

Model Frequency Range Ports

S251B 625 to 2500 MHz 2

Description

The Site Master is a hand held SWR/RL (standing wave ratio/return loss), transmission

gain/loss and Distance-To- Fault (DTF) measurement instrument that includes a built-in

synthesized signal source. All models include a keypad to enter data and a liquid crystal

display (LCD) to provide graphic indications of SWR, RL or dB over the selected fre-

quency range and SWR or RL over the selected distance. The Site Master is capable of up

to 2.5 hours of continuous operation from a fully charged field-replaceable battery and can

be operated from a 12.5 dc source. Built-in energy conservation features can be used to ex-

tend battery life over an eight-hour work day.

The Site Master is designed for measuring SWR, return loss, or one-port cable insertion

loss and locating faulty RF components in antenna systems. Power monitoring is available

as an option. Site Master model S251B includes transmission gain or loss (S21) measure-

ments and an optional built-in bias tee. The displayed trace can be scaled or enhanced with

frequency markers or a limit line. A menu option provides for an audible “beep” when the

limit value is exceeded. To permit use in low-light environments, the LCD can be back lit

using a front panel key.

Standard Accessories

The Software Tools PC-based software program provides a database record for storing

measurement data. Site Master Software Tools can also convert the Site Master display to a

Microsoft Windowsä95/98/NT workstation graphic. Measurements stored in the Site Mas-

ter internal memory can be downloaded to the PC using the included null-modem serial ca-

ble. Once stored, the graphic trace can be displayed, scaled, or enhanced with markers and

limit lines. Historical graphs can be overlaid with current data, and underlying data can be

extracted and used in spreadsheets or for other analytical tasks.

The Site Master Software Tools program also performs DTF (Distance To Fault) and Fault

Location.

1-1

The following items are supplied with the basic hardware.

·Soft Carrying Case

·AC-DC Adapter

·Automotive Cigarette Lighter 12 Volt DC Adapter,

·CDROM disk containing the Software Tools program. This program contains Fault Lo-

cation (DTF) and Smith Chart functions

·Serial Interface Cable (null modem type)

·One year Warranty (includes battery, firmware, and software)

·User's Guide

Options

·Option 5 — Add RF Wattmeter Power Monitor

·Option 10A ¾Add Bias Tee

Optional Accessories

·Anritsu Precision N (m) Open/Short/Load, 42 dB, Part No. OSLN50LF

·Anritsu Precision N (f) Open/Short/Load, 42 dB, Part No. OSLNF50LF

·Anritsu Precision N (m) Short/Open, Part No. 22N50

·Anritsu Precision N (f) Short/Open, Part No. 22NF50

·Site Master Precision N (m) Load, 42 dB, Part No. SM/PL

·Site Master Precision N (f) Load, 42 dB, Part No. SM/PLNF

·7/16 (m) Precision Open/Short/Load, Part No. 2000-767

·7/16 (f) Precision Open/Short/Load, Part No. 2000-768

·Adapter, Precision N (m) to N (m), Part No. 34NN50A

·Adapter, Precision N (f) to N (f), Part No. 34NFNF50

·Adapter, 7/16 (f) to N (m), Part No. 510-90

·Adapter, 7/16 (f) to N (f), Part No. 510-91

·Adapter, 7/16 (m) to N (m), Part No. 510-92

·Adapter, 7/16 (m) to N (f), Part No. 510-93

·Adapter, 7/16 DIN (m) to 7/16 DIN (m), Part No. 510-96

·Adapter, 7/16 DIN (f) to 7/16 DIN (f), Part No. 510-97

·Armored Test Port Extension Cable, 1.5 meter, N (m) to

N (f), Part No. 15NNF50-1.5A

·Armored Test Port Extension Cable, 3.0 meter, N (m) to

N (f), Part No. 15NNF50-3.0A

·Armored Test Port Extension Cable, 5.0 meter, N (m) to

N (f), Part No. 15NNF50-5.0A

1-2

Chapter 1 General Information

·Armored Test Port Extension Cable, 1.5 meter, N (m) to

N (m), Part No. 15NN50-1.5A

·Armored Test Port Extension Cable, 3.0 meter, N (m) to

N (m), Part No. 15NN50-3.0A

·Armored Test Port Extension Cable, 5.0 meter, N (m) to

N (m), Part No. 15NN50-5.0A

·Armored Test Port Extension Cable, 1.5 meter, N (m) to

7/16 DIN (f), Part No. 15NDF50-1.5A

·Armored Test Port Extension Cable, 1.5 meter, N (m) to

7/16 DIN (m), Part No. 15ND50-1.5A

·RF Detector, 1 to 3000 MHz, N(m) input connector, 50 Ohms, Part No. 5400-71N50

·Transit Case for Site Master, Part No. 760-215A

·HP Deskjet 340 Printer, Part No. 2000-766

·Serial-to-Parallel Converter Cable (use with the HP 340 Printer), Part No. 2000-753

·Seiko DPU-414 Thermal Printer, Part No. 2000-754 (U.S.) or

2000-761 (Europe)

·US Adapter (use with the DPU-414 Printer),

Part No. 2000-1002

·Europe Adapter (use with the DPU-414 Printer)

Part No. 2000-1003

·Battery Pack (use with the DPU-414 Printer)

Part No. 2000-1004

·Serial Interface Cable (use with the DPU-414 Printer),

Part No. 2000-10012

·Thermal Paper (use with the DPU-411/DPU-414 Printer),

Part No. 2000-755

·Rechargeable Battery, NiMH

Part No. 633-27

·Battery Charger, NiMH only

Part No. 2000-1029

Performance Specifications

Performance specifications are provided in Table 1-1, on the following page.

1-3

Chapter 1 General Information

1-4

Chapter 1 General Information

Specifications are valid when the unit is calibrated at ambient temperature after a 5 minute

warmup. Description Value

Site Master: Frequency Range:

S251B 625 to 2500 MHz

Frequency Accuracy (RF Source Mode): 75 parts per million @ 25°C*

Frequency Resolution: 10 kHz

SWR:

Range

Resolution 1.00 to 65.00

0.01

Return Loss:

Range

Resolution 0.00 to 54.00 dB

0.01 dB

**Distance-To-Fault (DTF):

Range (in meters)

Resolution (in meters)

(Rectangular Windowing)

0 to (Resolution x dp)

(. )( )15 10

´V

Where Vfis the relative propagation velocity of

the cable .

dp is the number of data points (128, 256,

512).

DF is F2 - F1 (in Hz.)

Insertion Loss/Gain

Range:

Resolution

RF Source

Frequency

Power Output (nominal)

Wattmeter Power Monitor:

Range

Offset Range

Resolution

–120.00 to 100.00 dB

0.01 dB

625 to 2500 MHz @ 10 kHz step

selectable, – 30 dBm or+6dBm

–80.0 to +80 dBm or

10.0 pW to 100.0 kW

0 to +60.0 dB

0.1 dB or

0.1 xW

Test Port, Type N 50 Ohms

***Immunity to Interfering signals

up to the level of: RF Out

RF In +10 dBm, reflection

+ 30 dBc transmission

Maximum Input (Damage Level):

Test Port, Type N

RF Detector +22 dBm

+20 dBm

Measurement Accuracy:

Measurement accuracy depends on calibration components. Precision calibration load provides

a corrected directivity of 42 dB.

Cable Insertion Loss:

Range

Resolution 0.00 to 54.00 dB

0.01 dB

Table 1-1. Performance Specifications (1 of 2)

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