Motorola GP Series Service Manual page 89

UHF2 PCB 8486686Z02 Schematics
C281
R245
100pF
240
L273
L281
18nH
390nH
RX_INJ
TX_INJ
SH241
SHIELD
1
VCO BOTTOM SHIELD
VCO TOP SHIELD
5V
AUX3
VSF
C286
C276
0.1uF
2.2uF
C272
1.1pF C273
0.1uF
L271
18 14
27nH
10
TX_OUT
8
RX_OUT
PRESC
12
PRESC_OUT
C271 U241
1pF
7
50U54
Rx_sw RX_SWITCH
13
Tx_sw
TX_SWITCH
17 11 9
SH242
SHIELD
1
DD 4
Q260
R260
1K
3 4
2
C297
.01uF
1
R242
120
C285
100pF
C246
100pF
1
TX_IADJ
2
RX_IADJ
3
SUPER_FLTR 2 Q241
4
BFQ67W
COLL_RFIN
5
RX_BASE
6 1
RX_EMITTER
16
3
TX_BASE
15
TX_EMITTER 390nH
20
FLIP_IN
19
TRB_IN
R253
7.5K
R254
8.2K
C289
100pF
Q261
3
C255
100pF
2 RESONATOR
AUX4
R251
1
R252
33
270
C250
L243
4.3pF
RESONATOR
3
R241
18
C242
4.3pF
2
C243
R244
1 4.3pF
15K
C245
2.7pF
C244
R243
3pF
10K
Rx_sw
L282
VSF
R248
30
C247 C248
100pF 0.1uF
Tx_sw
C254 C252
L251
3.3pF 5.1pF
390nH
C253 C256 CR251
1.5pF 5.1pF
L253
2
P2
UHF2 (450-527 MHz) Voltage Controlled Oscillator
4-45
L242
22nH
CR243 CR242
L241
390nH
VCTRL
C241
100pF
CR241
1 2
A1 A2
C251
100pF