Motorola Professional GP340 - 300 R1 (300-350 MHz) Voltage Controlled Oscillator

PCB 8485726Z01 - Schematics 4-9
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
NU
C272
L273
22nH
82nH
1.5pF
L271
C271
R245
240
C276
2.2uF
330pF
C281
390nH
L281
0.1uF
C286
330pF
C246
2.7pF
C245
120
R242
330pF
C285
R241
20
12K
R244
L243
RESONATOR
1
2
3
10pF
C250
9.1pF
C242
10pF
C243
12
CR243
A1 A2
CR241
C241
330pF
220nH
L242
390nH
L241
CR242
R243
10K
C244
6.2pF
Rx_sw
1
3
2 Q241
BFQ67W
6.8pF
R248
L282
390nH
C247
0.1uF
C248
330pF
R253
7.5K
Tx_sw
C253
2pF
330pF
C251
CR252 CR251
11pF
C252
11pF
C256
150nH
L251
C254
2.7pF
R251
15
L253
RESONATOR
1
2
3
330pF
C289
100pF
C255
R252
150
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
4.6V
2V
4.6V
3.4V Rx, 3.9V Tx@300MHz
9.1V Rx, 9.2V Tx@350MHz
4.6V
1.1V
ZMY0130403-O
300R1 (300-350MHz) Voltage Controlled Oscillator