Tait TB7100, Service Manual

Page: 39 / 370

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.