Transmit Audio Block Diagram; Figure 8-7. Transmit Audio Block Diagram - Motorola PM1200 Basic Service Manual

8-8
8.7

Transmit Audio Block Diagram

October 26, 2007
MUTE-
Q2026
CON
Pin 3
Q2008
AF-AMP
AF-AMP
MIC MUTE
MIC
Q3039
Q2108
Q5012
Q4007
Q3008
MUTE-
Q3014
CON
Pin 18

Figure 8-7. Transmit Audio Block Diagram

DTMF TONE
TONE-GEN by CPU(Q2026)
LIM LPF
HPF MOD. ADJ
Q2019 Q2001
300Hz 3KHz
Q2017
5 Order LPF
Functional Block Diagrams and Connectors: Transmit Audio Block Diagram
to
MOD.
Q2001
6880309U09-A