Figure 3-3. Receiver Block Diagram (Vhf And 700-800 Mhz); Figure 3-4. Receiver Block Diagram (Uhf1 And 700-800 Mhz) - Motorola APX 7000 Basic Service Manual

Basic Theory of Operation: Analog Mode of Operation
RMT Port
AUX
RMT Port
AUX
PER SW
DPLXR
SP3T 2:1
To
RF/Vocon
Connector
Figure 3-3. Receiver Block Diagram (VHF and 700–800 MHz)
PER SW
DPLXR
SP3T 2:1
To
RF/Vocon
Connector
Figure 3-4. Receiver Block Diagram (UHF1 and 700–800 MHz)
700/800
VHF
2nd
LO
700/800
UHF1
2nd
LO
Sec 1: 3-3
SW
2:1
SSI
Dec.
ΣΔ ADC
Filter
18Mhz
LO CLK
CLK
Abacus III
SW
2:1
SSI
Dec.
ΣΔ ADC
Filter
18Mhz
LO CLK
CLK
Abacus III