Figure 3-11. Synthesizer Block Diagram (Vhf); Figure 3-12. Synthesizer Block Diagram (Uhf1 And Uhf2) - Motorola APX 5000 Service Manual
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- Service manual (318 pages) ,
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Theory of Operation: Transceiver Board
16.8MHz
BUFFER
16.8MHz
TRIDENT IC
LOGIC
EXPANDER
16.8MHz
BUFFER
16.8MHz
TRIDENT IC
LOGIC
EXPANDER
VHF DIVIDE-BY-2
ND
2
HARMONIC FILTER
2
LOOP
FILTER
PRESCALAR
BUFFER
Figure 3-11. Synthesizer Block Diagram (VHF)
LOOP
FILTER
PRESCALAR
BUFFER
Figure 3-12. Synthesizer Block Diagram (UHF1 and UHF2)
VHF TX
PRE
BUFFER
VHF RX
UHF TX
PRE
BUFFER
UHF RX
3-17
TX
BUFFER
TX LO
RX LO
TX
BUFFER
TX LO
RX LO
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