Figure 7-129.Huf4017A Rf Power Amplifier (Pa) Schematic (Sheet 2 Of 2) - Motorola ASTRO XTL 1500 Detailed Service Manual

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Figure 7-129. HUF4017A RF Power Amplifier (PA) Schematic (Sheet 2 of 2)
June 15, 2005
C6540
1
39pF
R6540
1K
R6550
2
C6541
R6551
11pF
2
R6552
C6565 C6542
2
39pF 12pF
R6553
2
C6544
12pF
R6559
2
33
C6545
12pF
R6554
2
C6566 C6547
R6555
39pF 12pF
2
R6556
C6548
2
11pF
R6557
2
R6543
1K
C6558
VN_B6541
3
39pF
4
5
U6540
LM50
2
6 VOUT
7
8
9
Schematics, Component Location Diagrams, and Parts Lists: HUF4017A (700-800 MHz) Main Board
M6542
HEATSINK
Q6540
C6549
13pF
C6550 C6551
12pF 5.1pF
R6560
33
C6552 C6553
12pF 5.1pF
C6554
13pF
L6542
17nH
Q6541
C6559
39pF
R6544
L6543
10
57R01
C6560
R6545
0.1uF
5m
VN_B6563
R6548
33
C6561 C6562
VN_B6521
0.1uF 0.1uF
U6541
*C6564*
INA138
39pF
VN_B6566
1 3
OUT VINPOS
4
VINNEG
R6546
100K
1%
Part Series
6500-2
RFPA/OUTPUT NETWORK
INTERFACE
C6557
39pF
IF6540
C6555 C6556
RFPA_OUT
10pF 3.3pF
IF6541
VN_B6562
SWITCH_BIAS
IF6542
VFORWARD_ON
IF6543
VREVERSE_ON
R6547
33
MAEPF-27835-O
6815854H01-A