Motorola APX 7000 - Figure 3-12. Receiver Block Diagram (UHF1; UHF2); Figure 3-13. Receiver Block Diagram (UHF2; 7;800)

Theory of Operation: Transceiver Board 3-11
Figure 3-12. Receiver Block Diagram (UHF1 / UHF2)
Figure 3-13. Receiver Block Diagram (UHF2 / 7/800)
SW
2:1
UHF1
UHF2
Abacus III
2nd
LO
18Mhz
CLK
CLK
Dec.
Filter
LO
ADC ΣΔ
SW
2:1
PER
SP3T
AUX
DPLXR
To
RF/Vocon
Connector
GPS
SSI
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
GPS
SSI