Tait TM8100 mobiles, Service Manual

Page: 52 / 620

52 Description TM8100/TM8200 Service Manual
© Tait Electronics Limited November 2007
2.5 Operation in Receive Mode
Overview
This section describes the functioning of the transceiver in receive mode.
The operation of the transceiver is illustrated in Figure 2.16 on page 53 . For
the K5 front end, refer to
These block diagrams show the hardware modules integrated with the
software modules:
■
hardware (transmitter, receiver, CODEC and audio)
■
RISC processor (on FPGA of digital board)
■
custom logic (on FPGA of digital board)
■
DSP (on digital board).
The receive path consists of three major functional parts:
■
RF hardware
■
digital baseband processing
■
audio processing and signalling.