Motorola GP338 - Page 224

6D-30 Circuit Board/Schematic Diagrams and Parts List
TX_IADJ
1
TX_OUT
10
TX_SWITCH
13
VCC_BUFFERS
14
VCC_LOGIC
18
RX_EMITTER
6
RX_IADJ
2
RX_OUT
8
RX_SWITCH
7
SUPER_FLTR
3
TRB_IN
19
TX_BASE
16
TX_EMITTER
15
COLL_RFIN
4
FLIP_IN
20
GND_BUFFERS
11
GND_FLAG
917
GND_LOGIC
PRESC_OUT
12
RX_BASE
5
50U54
U241
Rx_sw
Tx_sw
C273
0.1uF
1pF
C272
L273
39nH
56nH
1pF
L271
C271
R245
240
C276
2.2uF
100pF
C281
390nH
L281
0.1uF
C286
100pF
C246
2.7pF
C245
180
R242
100pF
C285
R241
20
12K
R244
L243
RESONATOR
1
2
3
7.5pF
C250
7.5pF
C242
6.8pF
C243
12
CR243
A1 A2
CR241
C241
100pF
390nH
L242
390nH
L241
CR242
R243
10K
C244
7pF
Rx_sw
1
3
2 Q241
BFQ67W
30
R248
L282
390nH
C247
0.1uF
C248
100pF
R253
15K
Tx_sw
C253
NU
100pF
C251
CR252 CR251
13pF
C252
13pF
C256
180nH
L251
C254
2.7pF
R251
22
L253
RESONATOR
1
2
3
100pF
C289
100pF
C255
R252
200
R254
5.6K
1K
R260
4
1
3
Q261
2
10K
47K
47K
4.7K
2
4
1
3
Q260
C297
.01uF
10K
4.7K
47K
47K
1
SHIELD
SH242
1
SHIELD
SH241
VCO TOP SHIELD VCO BOTTOM SHIELD
AUX 4
AUX 3
5V
VSF
VSF
VCTRL
PRESC
RX_INJ
TX_INJ
ZMY0130810-O
330-400MHz Voltage Controlled Oscillator Schematic Diagram