Figure 3-10. Transmitter Block Diagram (7/800) - Motorola APX 5000 Service Manual

3-12
TX Buffer Amp
RF Switch Matrix
Transmitter FET 7/800
TX Driver Amplifier
Loop Filter
TX VCO
Module
RX VCO
Module

Figure 3-10. Transmitter Block Diagram (7/800)

SP3T RF Switch
Harmonic LP Filter
To RX
Trident IC
Synthesizer
TX SSI from VOCON
Theory of Operation: Transceiver Board
Log Amp Power Detector
Digital RF Attenuator
SP2T
Directional
Coupler
Reverse Power Detection
Ref. Oscillator
To Antenna
To RMT Port