Table of Contents
2.0 GP140 Model Chart .............................................................................................1-2
4.0 GP1280 Model Chart ...........................................................................................1-3
1.0 Introduction ..........................................................................................................2-1
2.0 VHF Transmitter...................................................................................................2-1
2.1 Power Amplifier ..............................................................................................2-1
2.2 Antenna Switch...............................................................................................2-2
2.3 Harmonic Filter ...............................................................................................2-2
3.1 Receiver Front-End ........................................................................................2-3
3.2 Receiver Back-End.........................................................................................2-4
4.0 VHF Receiver (for models with PCB 8486473Z04) .............................................2-6
4.1 Receiver Front-End ........................................................................................2-6
4.2 Receiver Back-End.........................................................................................2-7
5.1 Synthesizer.....................................................................................................2-9
8486473Z04.........................................................................................................3-1
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