Document Outline

• Safety Precautions
• Safety Symbols
• Warning Statements
• Caution Statements
• Safety Statements
• About This Manual
• Changes to this Manual
  • Chapter Layout
• Chapter 1 Introduction
  • Purpose and Function
  • Performance Characteristics and Capabilities
    • Figure 1 Securing an element
    • Figure 2 Bird 43 Thruline Wattmeter Outline Drawing
• Chapter 2 Theory of Operation
  • Travelling Wave Viewpoint
    • Formulas
      • Forward
      • Reflected
  • Coupling Circuit
    • Figure 3 Thruline Wattmeter Schematic
  • Load Power
  • Standing Wave vs. Travelling Wave Viewpoint (r vs. f)
    • Figure 4 Percent Reflected Power vs. VSWR (1.0 – 1.3)
    • Figure 5 Percent Reflected Power vs. VSWR (1.0 – 8.0)
  • Low Reflection Measurements
  • Transmitter Monitoring
  • Component Testing
    • Measuring Insertion Loss
  • Frequency Response
    • Figure 6 Representative Frequency Response
  • Impedance Mismatch
• Chapter 3 Installation
  • Connections
    • Replacing Quick-Change Connectors
  • Remote Installation
    • Figure 7 Panel Cut for Mounting RF Body
• Chapter 4 Operating Instructions
  • Normal Operation
    • Figure 8 Element Direction
    • Figure 9 VSWR Conversion Graph (Reflected Power 0.2 – 20.0)
    • Figure 10 VSWR Conversion Graph (Reflected Power 0.01 – 1.00)
  • Load Matching
    • Figure 11 Cable Length / Wavelength Matching
• Chapter 5 Maintenance
  • Troublehshooting
  • Cleaning
  • Contact Adjustment
  • Zero Adjust
    • Figure 12 Zero Adjust
  • Storage
  • Customer Service
  • Bird 43 Replacement Parts List
    • Bird 43 Replacement Parts List
  • Available “QC” Type Connectors
• Chapter 6 Model Differences
  • Bird 43P Peak Wattmeter
    • Operation
    • Peak Detector Response
    • Rectangular Pulses
    • Peak Calibration
    • Maintenance
      • Figure 13 Model 43P
  • Bird 4301 Thruline Wattmeter
  • Bird 4305A Thruline Wattmeter
    • Bird 4305A Replacement Parts List
  • Bird 4431 Thruline Wattmeter
    • Maintenance
    • Bird 4431 Replacement Parts List
      • Customer Replacement Parts
      • Service Only Replacement Parts
  • Bird 4520 Series Thruline Wattmeters
    • Installation
    • Operation
    • Bird 4520 Series Replacement Parts List
      • 4521 Replacement Parts
      • 4522 Replacement Parts
      • 4526/27 Replacement Parts
      • Service Only Replacement Parts
• Chapter 7 Specifications
• Limited Warranty