Motorola APX 7000 - Figure 3-15. Transmitter Block Diagram (VHF; 7;800); Figure 3-16. Transmitter Block Diagram (UHF1; 7;800)

Theory of Operation: Transceiver Board 3-15
Figure 3-15. Transmitter Block Diagram (VHF / 7/800)
Figure 3-16. Transmitter Block Diagram (UHF1 / 7/800)
To Antenna
To RMT Port
To RX
Log amp Power Detector
Digital RF Attenuator
FET 700/800
Driver Amplifier
FET VHF
VCO Module
VCO Module
VCO Module
Trident IC
SP3T RF Switch
Switch
TX SSI from Vocon
TX Buffer Amp
RF Switch
Harmonic Filters
Loop Filter
Ref. Oscillator
Coupler
Rev Power Detection
RF Switch Matrix
SP2T RF Switch
To Antenna
To RMT Port
To RX
Log amp Power Detector
Digital RF Attenuator
FET 700/800
Driver Amplifier
FET UHF1
VCO Module
VCO Module
VCO Module
Trident IC
SP3T RF Switch
Switch
TX SSI from Vocon
TX Buffer Amp
RF Switch
Harmonic Filters
Loop Filter
Ref. Oscillator
Coupler
Rev Power Detection
RF Switch Matrix
SP2T RF Switch
VCO Module