Motorola Mototrbo - Page 262

2-14 UHF1 (403–470 MHz) 25–40W PCB/Schematics/Parts List
FIRST STAGE BUFFER AMPLIFIER CIRCUIT
E0200
E0300
VCO_RO_5V0
VCO_PA_9V3
5V0
9V3
VCO_RO_5V0
VCO_PA_9V3
1
1
IN
IN
SH0300
2 1
DNP
DNP
C0301
C0304L0226
C0302
L0300
C0300
R0302R0300
R0301
C0276
VCO_OUT
L0224
Q0300
R0305
R0303
R0304
23
1
L0301
C0308
L0303
R0308R0306
C0307
C0305
R0309
L0302
C0306
R0307
L0304
C0309
9V3
U0200
C0249
VCO_RXFE_LO
VCO_TXIN_LO
C0247
VCO_RXFE_LO
VCO_TXIN_LO
6 4
1
3
5
2
1
1
OUT
OUT
J3
J2
GND
V1
V2
J1
C0202
C0215
C0311
R0227
C0226
L0305
R0226
C0216C0310
VCO_RO_IN
VCO_RO_IN
1
OUT
R0223
Q0205
C0242
5V0
TX_SEL
3
1
2
10K
47K
R0225
C0246
Q0207
C0243
5V0
3
1
2
10K
47K
UHF1 (403–470 MHz) 25–40W VCO Buffer Schematic Diagram