Figure 3-12. Receiver Block Diagram (Uhf1 / Uhf2); Figure 3-13. Receiver Block Diagram (Uhf2 / 7/800) - Motorola APX 7000 Detailed Service Manual
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Also See for APX 7000:
- Basic service manual (292 pages) ,
- User manual (213 pages) ,
- Quick reference card (98 pages)
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Theory of Operation: Transceiver Board
AUX
GPS
AUX
GPS
PER
SW
DPLXR
SP3T
2:1
To
RF/Vocon
Connector
Figure 3-12. Receiver Block Diagram (UHF1 / UHF2)
PER
SW
DPLXR
SP3T
2:1
To
RF/Vocon
Connector
Figure 3-13. Receiver Block Diagram (UHF2 / 7/800)
UHF1
UHF2
2nd
LO
700/800
UHF2
2nd
LO
SW
2:1
SSI
ΣΔ
ADC
Dec.
Filter
18Mhz
LO
CLK
CLK
Abacus III
SW
2:1
SSI
ΣΔ
ADC
Dec.
Filter
18Mhz
LO
CLK
CLK
Abacus III
3-11
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