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table of contents

 
 
Section I Installation ........................................................................
 
1.1 Unpacking............................................................................................
1.2 Mounting and Cabling..........................................................................
1.2.2 Fixed Station Installation.....................................................................
1.2.2.1 Equipment Interconnection...........................................................
1.2.2.2 Phone Patch Installation...................................................................
1.2.3 Mobile Installation...................................................................
1.3 Initial Checks...................................................................................
 
Section 2 Operation .

2.1 Starting Procedure...............................................................................
2.2 Selecting the KWM-2/2A Operating Frequency......................................
2.3 Receiver Tuning....................................................................................
2.4 Transmitter Tuning................................................................................
2.4.1 General.........................................................................................
2.4.2 Single-Sideband Operation.............................................................
2.4.3 CW Operation...............................................................................
2.4.4 FSK Operation...................................................................................
2.4.5 Mobile Operation...............................................................................
2.5 Operation Outside Amateur lsands.........................................................
2.5.1 Selection of Crystals..........................................................................
2.5.2 Adjustment of Tuned Circuits.............................................................
 
Section 3 Principles of Operation.............................................................
 
3.1 Block Diagram.....................................................................................
3.2 Transmitter Circuits.............................................................................
3.2.1 AF Circuits........................................................................................
3.2.2 Balanced Modlllator and Low-Frequency IF Circuits............................
3.2.3 Balanced Mixers................................................................................
3.2.4 RF and ALC Circuits.........................................................................
3.3 Receiver Circuits..................................................................................
3.3.1 RF Circuits........................................................................................
3.3.2 Receiver Mixers................................................................................
3.3.3 I F Circuits...................................................................................
3.3.4 AF Circuits........................................................................................
3.4 Oscillators............................................................................................
3.4.1 Tone Oscillator...................................................................................
3.4.2 Beat-Frequency (3scillator..................................................................
3.4.3 Variable-Frequency Oscillator.............................................................
3.4.4 High-Frequency Crystal Oscillator......................................................

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