Motorola GP Series Detailed Service Manual page 222

3-78
R301
R302
100K
100K
C301 C303
3.6pF 3.9pF
RX_IN
G
CR302
CR301
C302 L301 L302
10pF 13.9nH 13.9nH
SH301 SH302
SHIELD SHIELD
1 1
RXFE Bottom Shield
RXFE Top Shield
SH304
SHIELD
1
RX Mixer Diod Shield
UHF (403-470 MHz) Receiver Front End Schematic Diagram
R305
510
R304
12K
L304
180nH
C309
C308
100pF
100pF
R303
2.0K
C305
C307
Q301
3
20pF
100pF
1
3
CR303 2
R328
0
L303 R340
C304
2 1
22nH 7.5K
9.1pF
SH303
SHIELD
1
Mixer Shield
DACRx
R5
R342
100K
C315
C314
100pF
0.1uF
C321
100pF
C306
NU
R306
100K
C312
C310 C316
L305
100pF 6.8pF 3.9pF
22nH
CR304
C311 C313 L306
13.9nH
NU 10pF
C380
.01uF
T301
XFMR
6
R307
100K
C318
R329
7.5pF
0
4
CR305
L307
C381
C317
13.9nH
NU
9.1pF
TP302
R5
R339
4.3K
R332
12K
C386
100pF
C370
4.7pF 1
RX_INJ G
R330 C371
10K
NU
UHF PCB 8415234H01 Schematics
C322
82pF
L310
150nH
R308
R310
51 NU
R309
0
IF
G
CR306
4 3
1
2
2 1
3
T302
2580541Z02
XFMR
R348 L309
3.6K 16.28nH
C319
C320 C375
2.7pF
16pF
100pF
VCOBUF
G
C374
L321 R333
NU 100pF
180nH
R349
0
3 C373 C378
NU
NU
Q310
2
C372
R331
100pF
240