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Manuals
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sunair Manuals
Transceiver
gsb-900 dx
Operation and maintenance manual
sunair gsb-900 dx Operation And Maintenance Manual
Transceiver hf/ssb synthesized half-duplex
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Table Of Contents
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Contents
Table of Contents
Bookmarks
Table of Contents
Training
Table of Contents
List of Illustrations
List of Tables
General Information
Transceiver Description
Front Panel
Control Panel
Filter Module
Power Supply
RF Power Amplifier
Technical Specifications
Installation
Unpacking and Inspection
Reshipping
General Installation and Mounting Information
Base Station Installation
Vehicular Installations
Marine Installations
Rack Mounted Installations
Antennas and Ground Systems
General
Whip Antenna
Narrow Band Antennas
Random Length Non Resonant Antennas
Power Requirements
Broad Band OHM Antennas
Operation from All A.C. Power Sources
A.C. Operation under High Line Voltage Conditions
115 VAC Power Cord Schematic
230 VAC Power Cord Schematic
Operation from D.C. Power Source
D.C. Power Connector Schematic
Mating Connectors and Accessories
Operation
Operating Controls
Frequency Switches
Operating DX into a 50 Ohm Antenna
Operating with the Antenna Coupler
KW Control Unit
Theory of Operation
Overall Block Diagram
Spectrum Generator
Broadband Amplifier
Prescaler
Preset Counters
Preset Generator
Phase Detector
Oscillators
Output Buffer Amplifier
Translator Buffer Amplifier
Logic Switching
Mechanical
Synthesizer Mother Board
Synthesizer Programming
Frequency Display
Decoder
Display
Synthesizer Block Diagram and Details
VHF Mixer Board
Broadcast Filter
RF Amplifier
VHF Filter and Bilateral Amplifier
Audio Board
Fixed if Amplifier and AGC Detector
"S" Meter Amplifier
RF Gain Control Amplifier
AM Detector
Product Detector
Speaker Driver
Audio and Balanced Modulator
Automatic Carrier Control
CW Tone Oscillator
Transmit if Amplifier
Transmit Filter Selection
Transmit Gain Control Amplifier
Low Pass Filter and Balanced Mixer
Transmit Bilateral Amplifier and Filter
Balanced Mixer and Receiver Shut down
Exciter Linear Amplifier
R.F. Power Amplifier
Current ALC Detector
ALC Detector
Transmitter Block Diagram
Circuit Operation
Regulator Transistor
D.C. Inverter
Voltage ALC Detector
ACC Detector
Output Detector
Key Line
Reflected Power Detector
Meter Panel
Keying Circuit
Maintenance and Repair
Preventive Maintenance
Cover Removal
Performance Test
Front Panel Control Test Positions
Frequency Coding
Synthesizer Subassembly Testing and Alignment
Module Removal
Removal of Filter Module
Front Panel Removal
Power Supply Removal
Power Supply Regulator Board
RF Power Amplifier Removal and Servicing
Power Amplifier Test Setup
Current ALC Wave Form
Synthesizer Mechanical Assembly
Printed Circuit Boards
Printed Circuit Board Repair and Maintenance
Logic Notes
And Gate
And or Invert Gate
J-K Flip Flop
Nand Gate
OR Gate
Inverter
Schmitt Trigger
Prom
Ram
Inverted Signals
Schematic Diagram
Display Board
Decoder Board
Decoder PC Board
Main Frame Wiring
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