R.L.DRAKE R-4A Amateur Radio Receiver Manuals

R.L.DRAKE R-4A Amateur Radio Receiver Manuals

Manuals and User Guides for R.L.DRAKE R-4A Amateur Radio Receiver. We have 1 R.L.DRAKE R-4A Amateur Radio Receiver manual available for free PDF download: Instruction Manual

R.L.DRAKE R-4A Instruction Manual

R.L.DRAKE R-4A Instruction Manual (39 pages)

Brand: R.L.DRAKE | Category: Receiver | Size: 2 MB

Table of Contents

Table of Contents
2
General Specifications
4
1 I General Description

6
2 Installation Instructions

7
- Unpacking
  7
- Location
  7
- Power Requirements
  7
- Antenna Requirements
  7
- Speaker Requirements
  8
- Anti-VOX
  8
- Muting
  8
- Fig. # 7 Notch Curves
  8
  - Connecting R-4A to TR-4 Transceiver
    9
  - Viewing Angle Options
    9
3 Control Functions

10
- Front
  10
- Rear Jacks
  12
- Side Controls & Jacks
  13
4 Operation

14
- Preliminary Control Settings
  14
- Single Sideband or Double Sideband Suppressed Carrier Reception
  14
- Reception
  14
- AM Reception
  15
- RTTY Reception
  15
- Adjusting Dial Calibration
  16
- Noise Blanker Operation
  16
- Operation of Notch Control
  17
- Accessory Frequency Coverage
  18
- Fixed Frequency Operation
  21
5 Theory of Operation

22
- Amplifier
  22
- First Mixer and Premixer System
  22
- Second Converter
  23
- 50 KC I.F. System
  23
- Detector Systems
  23
- F I G . # 6 Selectivity C Urve S
  24
  - Audio Output
    25
  - AVC System
    25
  - S Meter
    25
  - Noise Blanker
    26
    
    Power Supply
    26
- 6 Service Data
  
  28
  - A, Removing Top Cover
    28
  - Removing Bottom Cover
    28
  - Troubleshooting
    28
  - Tube Replacement
    28
  - F I G . # 9 Voltage Chart
    29
- 7 Alignment Instructions
  
  33

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