Motorola APX 1000 Detailed Service Manual page 715
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Also See for APX 1000:
- Basic service manual (526 pages) ,
- User manual (94 pages) ,
- Quick reference manual (46 pages)
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Theory of Operation: Main Board
DC_RAW_B+
Current
Detection
TX Buffer Amp
ALC
RF Switch Matrix
TX Driver
Amplifier
PA
Loop Filter
TX VCO
RX/TX
VCO
Figure 3-9. Transmitter Block Diagram
50 Ohm
Antenna
Switch
Directional
Harmonic
Coupler
LP Filter
TO RX
Trident IC
Ref. Oscillator
Synthesizer
To Antenna
RX PDADI
GPS
3-11
- Quick Links:
- Figure 3-1. Apx 2000/ Apx 4000/...
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