Synthesizer Block Diagram; Figure 8-6. Synthesizer Block Diagram - Motorola PM1200 Basic Service Manual

Functional Block Diagrams and Connectors: Synthesizer Block Diagram
8.6

Synthesizer Block Diagram

Tone GEN.
Q2026
PIN 31
6880309U09-A
VCO
RX VCO
Out put
Q1015
TX VCO
Q1016
TX AUDIO
SUB AUDIO
MODULATOR
D1025,D1029

Figure 8-6. Synthesizer Block Diagram

Pin 5
LOOP FILTER
C732,C733, Pin 14
PLL IC
C734,C735,
Q1029
R716,R717
Pin 16
Q1029
Pin 8
RX SW
Q1022
OSC
17.25MH
z Q1033
TX SW
T/R
Q1020
Q2026
PIN 13
+5V
REGULATOR
Q1036
SWB+
Q2026
Pin 1
Pin 2
Pin 3
8-7
October 26, 2007