Project Description
Main Board
Bi-Directional Amplifiers
AGC Circuit
T/R Switching Circuit
Utility Amplifier
System Architecture
First Mixer Stage
Bi-Directional Amp Photo
Audio Amplifier
Frequency Display
Performance
Bread Board Version
The Heterodyne Oscillators
Display BP Filters
Microphone Amplifier
Top View
Unresolved Issues
Finished Version
BFO Carrier Oscillators
Relay Band Switching
Power Amplifier Stage
Filter Constants
Schematics
