Vertex VX-5R Manuals

Vertex VX-5R Manuals

Manuals and User Guides for Vertex VX-5R. We have 1 Vertex VX-5R manual available for free PDF download: Technical Supplement

Vertex VX-5R Technical Supplement

Vertex VX-5R Technical Supplement (78 pages)

50/144/430 MHz Triple-Band Heavy Duty FM Transceiver

Brand: Vertex | Category: Transceiver | Size: 48 MB

Table of Contents

Table of Contents
1
Introduction
1
Circuit Description
1
Specifications
2
Frequency Ranges
2
Transmitter
2
Exploded View & Miscellaneous Parts
3
Block Diagram
5
Interconnection Diagram
6
Circuit Description
7
- 0.5 ~ 16 Mhz Reception
  8
- 47.25 Mhz First Intermediate Frequency
  8
- 76 ~ 222 Mhz Reception
  8
- Squelch Control
  8
- Modulation
  9
- 145 Mhz Band Transmission
  9
- Transmitter Signal Flow
  9
- 435 Mhz Band Transmission
  9
- PLL Frequency Synthesizer
  10
- 50 Mhz Band Transmit/Receive Switching
  10
- Required Test Equipment
  11
- Alignment Preparation & Precautions
  11
- Test Setup
  11
Alignment
11
- 144 Mhz Band Tx Deviation Adjustment
  12
- 430 Mhz Band Tx Deviation Adjustment
  12
- 50 Mhz Band Tx Deviation Adjustment
  12
- PLL Reference Frequency
  12
- Internal System Alignment Routine
  13
- S-Meter Full-Scale Adjustment (S9 LEVEL) [106]
  13
- S-Meter S-1 Adjustment (S1 LEVEL) [12]
  13
- Squelch Preset Tight (TIGH SQL) [54]
  13
- 144 Mhz Band Alignment
  14
- UHF Band Alignment
  14
- L1 Tx Power Adjustment
  15
- L2 Tx Power Adjustment
  15
- L3 Tx Power Adjustment
  15
- Circuit Diagram
  17
- CNTL Unit
  17
  - CNTL Unit
    18
  - Parts Layout
    19
- AF Unit
  35
  - AF Unit
    36
  - AF Unit (Lot 2~)
    38
  - AF Unit (Lot 5~)
    39
  - AF Unit (Lot 17~)
    42
- RF Unit
  51
  - RF Unit
    52
  - RF Unit (Lot 2 ~)
    54
  - RF Unit (Lot 5 ~)
    56
  - RF Unit (Lot 17 ~)
    58
  - RF Unit (Lot 41~)
    60
  - Parts List
    61
- VCO Unit
  73

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