用户手册 — Vertex Standard VX-2R

目录

• Introduction

  1
• Specifications

  2
• Exploded View & Miscellaneous Parts

  4
• Connection Diagram

  5
• Block Diagram

  6
• Circuit Description

  7
  • Receiver Signal Flow

    7
    • (1) Triplexer

      7
    • (2) 145-MHz Band and 76-300MHz Reception

      7
    • (3) 435-MHz Band and 300-540MHz Reception

      7
    • (4) 0.5-76 MHz Reception

      7
    • (5) 540 - 999 MHz Reception

      7
    • (6) 47.25-MHz First Intermediate Frequency

      8
    • (7) Squelch Control

      8
  • Transmitter Signal Flow

    8
    • (1) 145-MHz-Band T/R Switching

      8
    • (2) Modulation

      8
    • (3) 145-MHz-Band Transmission

      8
    • (4) 435-MHz-Band Transmission

      9
  • PLL Frequency Synthesizer

    9
• Alignment

  11
  • Introduction

    11
  • Required Test Equipment

    11
  • Alignment Preparation & Precautions

    11
  • Test Setup

    11
  • Internal System Alignment Routine

    12
  • PLL Reference Frequency (PLL REF)

    12
  • 430 MHz Band Alignment

    12
  • 50MHz Band Alignment (Receive Only)

    14
  • 144MHz Band Alignment

    14
• MAIN Unit

  17
  • Circuit Diagram

    17
  • Parts Layout (Side A)

    19
  • Parts Layout (Side B)

    20
  • Parts List

    21
    • C1xxx

      21
    • CD1xxx

      25
    • CF1xxx

      25
    • D1xxx

      25
    • DS1xxx

      26
    • FB1xxx

      26
    • J1xxx

      26
    • L1xxx

      26
    • MC1xxx

      27
    • Q1xxx

      27
    • R1xxx

      28
    • S1xxx

      32
    • TH1xxx

      32
    • X1xxx

      32
    • XF1xxx

      32
• Filter Unit

  33
  • Circuit Diagram

    33
  • Parts Layout

    34
  • Parts List

    35
    • C2xxx

      35
    • D2xxx

      35
    • J2xxx

      35
    • Q2xxx

      35
    • R2xxx

      35
• SW Unit

  37
  • Circuit Diagram

    37
  • Parts Layout

    37
  • Parts List

    38
• VCO Unit

  39
  • Circuit Diagram

    39
  • Parts Layout

    40
  • Parts List

    41
    • C4xxx

      41
    • D4xxx

      41
    • J4xxx

      41
    • L4xxx

      41
    • Q4xxx

      42
    • R4xxx

      42