Motorola APX 2000 - Page 930

8-99 Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1 (84012620001)
Figure 8-38. Frequency Generation Unit Circuit – 2 of 2
DC_LIN_2_775V
DC_LIN_5V
DC_LIN_1_5V
DC_SUPER_FILTER_5V
GPO2
GPO1
R709M7
U738M7
TXH
7
6
3
1
8
5
4
2
G1
IN
NC
CGND
RF3
RF2
RF1
NC
RFC
V3
V2
V1
NC
Q785M7
4
1
52
3
6
NC
NC
NC
C781M7
R707M7R703M7
R704M7
RX_LO
OUT
R762M7
R776M7
L775M7C773M7C772M7
R769M7
R766M7
L759M7
C764M7
DC_LIN_1_5V
Q767M7
R763M7
16
2
Q767M7
R771M7
4
3
5
C817M7
R799M7R785M7
C803M7
C819M7
R809M7
Q774M7
3
12
4
C780M7
R778M7
R779M7
C777M7
TX_INJ
OUT
R823M7
R822M7
C824M7
R748M7
C786M7
Q745M7
R742M7
R746M7
C740M7
43
16
25
R747M7
Q745M7
R744M7
C743M7
L739M7
R741M7
DC_LIN_1_5V
R757M7
L755M7
C753M7C751M7
C770M7
C768M7
L765M7
C760M7
R754M7
R761M7
C816M7
Q756M7
C813M7
3
1
2
4
L758M7
C735M7
C733M7
R730M7
DC_LIN_1_5V
R711M7
R710M7
R731M7
C728M7
R736M7
Q731M7
R728M7
C727M7
13
2
VCO_IN
IN
C738M7
C708M7
L709M7
C705M7
C823M7
RF_PRESCALAR
1
TP737M7