Etapas De Entrada Y De Salida Del Receptor 25-40 W Uhf3 (465-495 Mhz) (Hoja 1 De 2) - Motorola EM200 Serie Manual De Servicio

4-12
9V
9V
3V
3V
SH301
SHIELD
5V
5V
1
C339
C341 C340
2pF 3.9pF 3.6pF
RX IF300
1
DNP
C1121 C300
3pF 51.p L309
L300 C338
18pF 18.08n
18.08n
SH300
SHIELD
1

Etapas de entrada y de salida del receptor 25-40 W UHF3 (465-495 MHz) (hoja 1 de 2)

FRONT-END SHIELD
Q306
R346
10.K
R300
10.K
R345
10.K
RX_EN Q300
Q301
C349
R326
120.p
2.7K
R330
820 2113743E07
0662057A47
C345 C328 C370
2pF 47pF 10pF
C368
C334
CR301 C357
7.5pF
C353
8.2pF
36.p
82.p
DNP
DNP
L310
18.08n
Esquemas eléctricos de la tarjeta de circuito impreso 8486577U01 del radio UHF 25-40 W banda 3
9R
R334
Q304
430.
LOC_DIST
R310
15.K
C350
120.p
R336
220.
C323
L301
1n
150.n
R331
C351
100 0.1uF
2113743E20
C346 C342 C343 C347 C344
C348
C352
C326 2pF 3.9pF 3pF 2.7pF 3.9pF
120pF 2pF
.022uF
2113740F53
Q303
C355 L311 L312 C332
C331 C333
BFS540 L313
39.p
18.08n 18.08n 15pF
15pF 18.08n 10pF
DNP
C325
L307
120.p
18.08n
RX_INJ
C366
10pF
C321
120.p
L304
150.n
4880142L01
D305
T300
C329 C335 C327
R338
330p XFMR
36.p 10.p
100.
6 1
2
4 3
C330
C358
8.2pF
36.p
DNP
L314
18.08n
U302
T301
XFMR
6 1
C324 2
L308
120.p
18.08n
4 3
C356 C367
15pF R301
8.2pF
470.
TEST_POINT TEST_POINT
TP4
TP1
L306
560nH
2413926K32
R340
51.
L302 C354
150.n 82p
SH302
SHIELD
1