Figure 7-128.Huf4017A Rf Power Amplifier (Pa) Schematic (Sheet 1 Of 2) - Motorola ASTRO XTL 1500 Detailed Service Manual

Schematics, Component Location Diagrams, and Parts Lists: HUF4017A (700-800 MHz) Main Board
RFPA/FGU
INTERFACE
VN_B6500
IF6500
TX_INJ
IF6501
K9.1V_FGU
VN_B6502,VN_B6561,VN_B6564,VN_B6565
C6504
RFPA/POWER CONTROL .01uF
INTERFACE
IF6502
RFPA_CNTRL
IF6503
K9.1V
IF6504
VGBIAS1
IF6505
VGBIAS2
IF6506
VGBIAS3
IF6507
A+_1
C6563
IF6508
R6549
A+_2
10
10uF
IF6509
A+_3
IF6510
A+_4
IF6511
VTEMP
IF6512
VCURRENT
IF6513
VFORWARD
IF6514
VREVERSE
Part Series
6500-1
6815854H01-A
C6500 L6500
.01uF 150nH
U6500
30C65 VN_B6504
C6501
16
6
RFIN RFOUT1
1 7
VN_B6503 VCNTRL RFOUT2
39pF
14
2
VD1 VG1
11
3
G2 VG2
L6501
VN_B6501
8
150nH
NC1
9
C6507 C6508
NC2
.01uF .01uF
10
NC3
15
L6502 C6503
NC4
7.5nH 100pF
C6506
15pF
VN_B6540
R6521
8.2
R6522
8.2
C6510
12pF
R6523
C6502
8.2
39pF
R6520
R6524
C6511 C6509 1K
5.6pF 12pF
8.2
C6520
VN_B6520
R6525
39pF
8.2
R6526
R6527 *C6525*
0.1uF
0
Figure 7-128. HUF4017A RF Power Amplifier (PA) Schematic (Sheet 1 of 2)
1
M6520
HEATSINK
1
POS
Q6520
2
L6521
18.5nH
C6521
39pF
L6522
10
57R01
C6522
0.1uF
C6524 C6523
0.1uF 0.1uF
3
4
5
VN_B6560
6
7
8
9
MAEPF-27834-O
7-167
June 15, 2005