TB7100 Service Manual Circuit Descriptions 39
© Tait Electronics Limited October 2005
4 Circuit Descriptions
Introduction This section describes and illustrates the circuitry of the transmitter and
receiver modules.
The transmitter and receiver modules are divided into the following
circuitry:
■ transmitter
■ receiver
■ frequency synthesizer (including FCL)
■ CODEC and audio
■ power supply
■ interface
■ digital board
Figure 4.1 gives an overview of the of the circuitry of the transmitter and
receiver boards and shows how they are interconnected.
Sample Schematics For up-to-date schematics refer to the relevant PCB information.