Block Diagram For Receiver And Transmitter - Motorola GP68 Service Manual

2-Pole
From
Bandpass
Antenna
Filter
Switch
+5V Tx
Pre-driver
Pin
Buffer

Block Diagram for Receiver and Transmitter

2-10
6881086C09-O
RECEIVER BLOCK DIAGRAM
5V RX
RF
Amp
5V RX
IF
Amp
IF IC
4-Pole
Ceramic
TRANSMITTER BLOCK DIAGRAM
TX B+
Final
Driver
VCTL
B+
March, 1997
3-Pole
Bandpass
Filter
15+ Lo +6dbm
Detected audio
2nd LO
4-Pole
Ceramic
Antenna
Coupler
Switch
Power
Control
IDAC
2-Pole
Crystal
Filter
Harmonic
Filter
To Receiver