Motorola EM200 Serie Manual De Servicio página 102

Esquemas eléctricos de la tarjeta de circuito impreso 8486684Z01 1-25 W UHF
Check if it is 3v or another value
3V
U301
PWR_GND
VCC
GND
U301
TC7W04F
3 5
C362
22.p
1 7
U301
TC7W04F
U301
TC7W04F
6 2
BW_SEL
C312
100n
R327
2.4K
R337
100.
5V
R302
0.
C305
100n
R333
560.
R304
33.K
C304 R322
100n 4.7K
FL300
FLTR_44.85M
FREQ
L305
1.2u
3 IN OUT 6
Q305
2 CC1
R312
5 CC2
C364
13.K
22p
C369 DNP
8.2p
C336
9.1p
R315
R306
12.K
20.K FL301
FLTR
C313
1 IN OUT 2
100n
R316
D302 D301
FL302
R305 12.K
20.K
FLTR
1 IN OUT 2
R324
3.3K
C316
0.1uF
R317
R307
12.K
20.K FL304
CFWC455D
1 OUT 2
IN
R318
R308 12.K
D304 D303
20.K
1 IN OUT 2
R319
R325 FL303
12.K
3.3K
CFWC455G
C318
0.1uF
3V VCC
6
R339
C308
51.
C301 100n
C307
10.0u
100n
C337
6.8p
L303 C319
R323
C371 0.1uF
C303 4.7K
1.2u
100n 2.7p
C365
DNP DNP
22p
C306
100n
CR300
C359 C360 R309
33p 30p 15.K
Y301
06B09
R311
15.K
44.395MHz
NU
3 1
OUT IN
C361
R303
30p
NU
0.
L315
27nH
NU
Etapas de entrada y de salida del receptor UHF1 (403-440 MHz) (hoja 2 de 2)
R314
12.K
3V
C317
0.1uF
R335
C311
C310 390.
100n 100n
Q302
R328
130.0p
1.8K
C302
U300
GND
SA616
15
R329 Y300
45B02
1.2K
455KHz
C315
100n
C320
0.1uF
R313
C314 12.K
100n C309
100n
R320
R332
R321 10.K
680.
8.2K
C322
4.7n
73D02968C74-O
SHEET 6 OF 8
4-13
RSSI
DEMOD