Benutzerhandbuch für Bird Brain 4391A

Inhaltsverzeichnis

• Table of Contents

  11
• Chapter 1 Introduction

  13
  • Purpose and Function

    13
  • Description

    14
    • Figure 1 Outline Drawing

      14
• Chapter 2 Theory of Operation

  15
  • Description of Operation

    15
    • Figure 2 Circuit Block Diagram

      15
  • Keyboard, Range Switches, and Display Group

    15
  • Elements, Analog Circuitry, and A/D Converter

    15
    • Figure 3 Plug-In Element Schematic Diagram

      16
    • Figure 4 Readings with Various Envelopes

      17
• Chapter 3 Installation

  19
  • Operating on AC Power

    19
    • Figure 5 Rear Panel

      19
  • Connections

    20
• Chapter 4 Operating Instructions

  23
  • Operating Modes

    23
  • Reading Forward CW Power

    23
    • Figure 6 Forward Power (CW)

      23
  • Reading Reflected CW Power

    24
    • Figure 7 Reflected Power (CW)

      24
  • Reading SWR

    24
    • Figure 8 Standing Wave Ratio (SWR)

      24
  • Measuring Peak Envelope Power

    25
    • Figure 9 Peak Envelope Power (PEP)

      25
  • Measuring Amplitude Modulation

    26
    • Figure 10 Amplitude Modulation (%)

      26
  • Measuring Power in dBm

    27
    • Figure 11 CW Power in dBm

      27
  • Measuring Return Loss

    27
    • Figure 12 Return Loss, Insertion Loss, or Attenuation

      27
  • Insertion Loss or Attenuation

    28
  • Monitoring Maximum and Minimum Readings

    28
    • Figure 13 Maximum or Minimum Readings

      29
  • Using the Peaking Aid

    29
    • Figure 14 Peaking Aid (D)

      29
  • Battery Care

    30
• Chapter 5 Maintenance

  31
  • Preventive Maintenance

    31
    • Cleaning and Inspection

      31
    • Long-term Storage

      31
  • Calibration

    32
    • Required Equipment

      32
    • Initial Setup

      32
      • Figure 15 Calibration Potentiometer

        33
  • Element Wiper Contact Adjustment

    33
    • Figure 16 Adjust Element Contact Up and Down

      34
    • Figure 17 Adjust Element Contact In and Out

      34
  • Troubleshooting

    35
    • General

      35
  • Disassembly

    36
    • Front Panel Removal

      36
      • Figure 18 Removing Front Panel

        37
    • Main Printed Circuit (PC) Board Removal

      37
      • Figure 19 Removing Main PCB

        38
    • QC Connectors Removal

      38
    • Line Section Removal

      39
      • Figure 20 Removing QC Connectors and Line Section

        39
      • Figure 21 Removing Line Section PCB

        40
    • Battery Replacement

      40
      • Figure 22 Tilt Main PCB to Expose Batteries

        41
      • Figure 23 Battery Replacement

        41
  • Parts List

    42
    • Figure 24 Parts Drawing

      42
    • Figure 25 Line Section Assembly (S/N 1723 and below)

      43
    • Figure 26 Line Section Assembly (S/N 1724 and above)

      44
  • Customer Service

    45
  • Specifications

    46
• Limited Warranty

  47