Motorola Mototrbo - Page 224

2-14 UHF1 (403–470 MHz) 1–25W PCB/Schematics/Parts List
FIRST STAGE BUFFER AMPLIFIER CIRCUIT
E0200
VCO_RO_5V0
SH0300
E0300
VCO_PA_9V3
9V3
5V0
VCO_RO_5V0
VCO_PA_9V3
1
2
1
1
IN
IN
C0305
C0308
R0308
L0301
R0306
9V3
DNP
L0224
R0303
C0301
DNP
L0226
C0276
L0300R0301
C0300
R0302
R0300
VCO_OUT
R0305
C0304
R0304
C0302
R0227
C0215
L0305L0304
L0303
C0307
R0226
C0311
C0216C0310
C0309
Q0300
R0309
L0302
C0306
R0307
23
1
C0202
C0226
C0249
C0247
VCO_TXIN_LO
U0200
VCO_RXFE_LO
VCO_RXFE_LO
VCO_TXIN_LO
1
6
4
1
3
5
2
1
OUT
J3
J2
GND
V1
V2
J1
OUT
VCO_RO_IN
VCO_RO_IN
1
OUT
C0246
R0225
C0243
Q0207
Q0205
C0242
R0223
5V0
5V0
TX_SEL
3
1
2
3
1
2
10K
47K
10K
47K
UHF1 (403–470 MHz) 1–25W VCO Buffer Schematic Diagram