Motorola Pro Series Elite - Page 132

UHF Band 1, Circuit Board/ Schematic Diagrams and Parts List (PCB No. 8471441L01) 7-15
Figure 7-13: UHF Receiver Front End Schematic Diagram for PCB No. 8471441L01
G
G
G
G
G
G
G
1
3
2
NU
NU
NU
NU
NU
RXFE Bottom Shield
Mixer ShieldRXFE Top Shield
RX Mixer Diod Shield
NU
NU
NU
100K
R306
Q301
SHIELD
SH304
1
C310
100pF
C373
R302
100K
C307
100pF
CR302
4.7pF
C370
R339
4.3K
C378
3.6K
R348 L309
16.28nH
0.1uF
XFMR
4
6
3
1
2
C314
3.9pF
C316
T301
C302
51
R308
10pF
L303
C318
7.5pF
9.1pF
22nH
3.6pF
C317
C301
L321
180nH
R349
0
1
3
2
10pF
C313
Q310
C304
CR304
9.1pF
240
R331
C381
0
R309
R330
2
3
1
10K
CR303
100K
R307
L304
180nH
100K
R301
6.2pF
R304
C320
12K
C306
100pF
C321
C375
100pF
R340
2
34
1
9.1K
CR306
C305
TP302
L307
20pF
13.9nH
C315
100pF
C322
82pF
SH302
SHIELD
1
13.9nH
VCOBU
F
L301
CR305
C374
100pF
C372
100pF
L306
13.9nH
2.2K
R303
4 6
3
1 2
12K
R332
XFMR
T302
100K
R342
13.9nH
L302
SH301
SHIELD
1
0
R329
C386
100pF
C380
.01uF
C371
1pF
C319
C312
6.8pF
L305
22nH
193C
Fp34
L310
SHIELD
SH303
1
150nH
C303
3.9pF
R333
R310
RCAD
X
C311
510
R305
C309
100pF
100pF
C308
CR301
0
R328
R5
IF
R5
R
X_IN
RX_INJ
DACRx