Motorola GP88s

Circuit Board/Schematic Diagrams and Parts List 9A -31
100pF
C281
R245
240
L281
390nH
TX_INJ
RX_INJ
33nH
L273
68nH
L271
0.1uF
C273
C276
2.2uF
C286
0.1uF
VSF
TX_OUT
TX_SWITCH
RX_OUT
RX_SWITCH
PRESC_OUT
10
13
8
7
12
14
VCC_BUFFERS
18
VCC_LOGIC
Rx_sw
PRESC
Tx_sw
1
TX_IADJ
6
RX_EMITTER
2
RX_IADJ
3
SUPER_FLTR
19
TRB_IN
16
TX_BASE
15
TX_EMITTER
4
COLL_RFIN
20
FLIP_IN
11
GND_BUFFERS
9
GND_FLAG GND_LOGIC
17
5
RX_BASE
50U54
U241
C289
100pF
1K
R260
DD
AUX4
2
1
34
Q261
AUX3
5V
DUMMY
VCO TOP SHIELD
VCO BOTTOM SHIELD
if
SH241
SHIELD
1
if
SH242
SHIELD
1
C297
.01uF
1
3
2
4
Q260
C272
C271
NU
NU
C246
100pF
18
R241
C285
100pF
200
R242
RESONATOR
L243
3
C250
7.5pF
1
2
C242
7.5pF
C243
7.5pF
C245
2.4pF
10K
R243
Rx_sw
2pF
C244
CR243
VSF
12K
R244
1
3
2
BFQ67W
Q241
390nH
L282
30
R248
R253
7.5K
Tx_sw
100pF
C247
R254
7.5K
3.6pF
C254
C248
0.1uF
10pF
C252
33nH
L251
CR251
1.8pF
C253
P1 1
RESONATOR
L253
2
P2
3
P3
R251
18
R252
330
C255
100pF
10K
4.7K
47K
47K
CR242
CR241
L242
220nH
390nH
L241
C241
100pF
VCTRL
100pF
C251
1
2
ZMY0130318-D
UHF Voltage Controlled Oscillator Schematic Diagram