Etapas De Entrada Y De Salida Del Receptor 25-40 W Uhf2 (438-470 Mhz) (Hoja 2 De 2) - Motorola EM200 Serie Manual De Servicio

Esquemas eléctricos de la tarjeta de circuito impreso 8486577U01 del radio UHF 25-40 W banda 2
TC7W04F
1
U301
TC7W04F
6 2
BW_SEL
C312
100n
Check if it is 3v or another value
3V
U301
PWR_GND
VCC
GND
U301
TC7W04F
3 5
R337
100.
5V
C305
100n
R333
560.
R304
33.K
C304
R322
FL300 100n
4.7K
FLTR_44.85M
FREQ
L305
1.2u
3 IN OUT 6
2 CC1
C362
C364 Q305
5 CC2 R312
18pF
4802197J95
C369 22p
13.K
2113740F33
8.2p DNP
C336
9.1p
U301
7
R306
R315
FL301
20.K
12.K
FLTR
C313
100n
1 IN OUT 2
D302 R316
R305 D301
FL302
20.K 12.K
FLTR
1 IN OUT 2
R314
R324
R327 12.K
3.3K
2.4K
C316
0.1uF
R307
R317
FL304
20.K 12.K
CFWC455D
1 IN OUT 2
C311
D304 R318
R308 D303 100n
20.K 12.K
1 IN OUT 2
R319
R325 FL303
12.K
R302 3.3K
CFWC455G
0.
C318 SA616
0.1uF
R339
51.
3V VCC
6
C308
C307 C301
100n
100n 10.0u
C337
6.8p
L303 R323
C303 C365
4.7K
100n 1.2u
22p
C371
DNP
2.7p
DNP
CR300
C319
C306 0.1uF
100n
C360
C359 30p
R309
33p
15.K
R321
8.2K
R311
15.K
Y301
DNP
06B09
44.395MHz
3 1
OUT IN
DNP
R303
0.
C361
30p
DNP
L315
27nH

Etapas de entrada y de salida del receptor 25-40 W UHF2 (438-470 MHz) (hoja 2 de 2)

3V
C317
0.1uF
R335
C310 390.
100n
Q302
U300 C302 R328
130.0p 1.8K
GND
15
R329 1.2K
Y300
45B02
455KHz
C315
100n
C320
0.1uF
R313
12.K
RSSI
C314
100n
C309
100n
R320 R332
10.K 680.
DEMOD
C322
4.7n
4-13