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BIRD 43 User Manual

BIRD 43
58 pages
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INSTRUCTION BOOK
RF DIRECTIONAL
THRULINE® WATTMETER
MODEL 43
Also Covers Models 4431, 43P
And Series 4300, 4520
©Copyright 2008 by Bird Electronic Corporation
Instruction Book Part Number 920-43 Rev. H
Thruline® and Termaline® are registered trademarks
of Bird Electronic Corporation
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BIRD 43 Specifications

General IconGeneral
Accuracy±5% of full scale
Power Range0.1 to 10000 W (element dependent)
Insertion VSWR1.05 max. (with N connectors)
Impedance50 Ω
ConnectorsN-type female
Frequency Range0.45 to 2.7 GHz (element dependent)

Summary

Safety Symbols

Warning Statements

Explains formal warnings and their meaning.

Caution Statements

Safety Statements

Details general safety statements and their implications.

SERVICE

About This Manual

Operation

Outlines the operation section of the manual.

Maintenance

Outlines the maintenance section of the manual.

Chapter 1 Introduction

Purpose and Function

Describes the purpose and main functions of the wattmeter.

Performance Characteristics and Capabilities

Details the physical and operational features of the wattmeter.

Chapter 2 Theory of Operation

Travelling Wave Viewpoint

Explains operation using the travelling wave concept.

Load Power

Details how to calculate power dissipated in a load.

Standing Wave vs. Travelling Wave Viewpoint

Compares standing wave and travelling wave concepts for measurements.

Impedance Mismatch

Discusses using the wattmeter with non-50 ohm lines.

Chapter 3 Installation

Connections

Instructions for connecting the wattmeter to transmission lines.

Remote Installation

Procedures for detaching and remotely installing the RF line section.

Panel Mounting

Guidance on cutting panels and mounting the RF line section.

Chapter 4 Operating Instructions

Normal Operation

Step-by-step guide for standard operation of the wattmeter.

Load Matching

Procedures for tuning loads and matching impedances using the wattmeter.

Chapter 5 Maintenance

Troubleshooting

Guide to diagnosing and resolving common operational issues.

Cleaning

Procedures for cleaning critical surfaces of the wattmeter.

Zero Adjust

Procedure for setting the meter's zero point when no power is applied.

Customer Service

Contact information for returning units and general support.

Chapter 6 Model Differences

Bird 43P Peak Wattmeter

Details the specific features and operation of the Bird 43P model.

Bird 4305A Thruline Wattmeter

Highlights the physical differences and capabilities of the Bird 4305A.

Bird 4431 Thruline Wattmeter

Describes the RF sampling probe and attenuation levels for the Bird 4431.

Bird 4520 Series Thruline Wattmeters

Covers panel mounting and RF sampling features of the 4520 series.

Chapter 7 Specifications

Impedance, Nominal

Specifies the nominal impedance of the transmission lines for use.

VSWR, Max.

Lists the maximum acceptable Voltage Standing Wave Ratio for the models.

Connectors

Details the types of connectors used for primary line and RF sampling.

Power and Frequency Range (element dependent)

Outlines the power and frequency capabilities based on the element used.

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