Motorola APX 7000 - Page 173

Basic Theory of Operation: Analog Mode of Operation Sec 2: 3-3
Figure 3-4. Receiver Block Diagram (UHF1 and VHF)
Figure 3-5. Receiver Block Diagram (UHF2 and 700–800 MHz)
SW
2:1
VHF
UHF1
Abacus III
2nd
LO
18Mhz
CLK
CLK
Dec.
Filter
LO
ADC ΣΔ
SW
2:1
PER
SP3T
AUX
DPLXR
To
RF/Vocon
Connector
SSI
RMT Port
SW
2:1
700/800
UHF2
Abacus III
2nd
LO
18Mhz
CLK
CLK
Dec.
Filter
LO
ADC ΣΔ
SW
2:1
PER
SP3T
AUX
DPLXR
To
RF/Vocon
Connector
SSI
RMT Port