
Schematics, Component Location Diagrams, and Parts Lists:
HUF4017A (700-800 MHz) Main Board
7-167
6815854H01-A
June 15, 2005
Figure 7-128. HUF4017A RF Power Amplifier (PA) Schematic (Sheet 1 of 2)
RFPA/FGU
INTERFACE
RFPA/POWER CONTROL
INTERFACE
3
VG2
10uF
C6563
10
NC3
15
NC4
16
RFIN
6
RFOUT1
7
RFOUT2
1
VCNTRL
14
VD1
2
VG1
EP
17
11
G2
4
GND1
5
GND2
12
GND3
13
GND4
8
NC1
9
NC2
U6500
30C65
IF6513
18.5nH
L6521
.01uF
C6508
IF6512
C6501
39pF
Q6520
8.2
150nH
L6500
R6523
POS
1
IF6501
M6520
HEATSINK
IF6507
.01uF
C6507
R6524
8.2
IF6500
IF6514
VN_B6501
0
R6527
IF6502
R6521
8.2
L6502
7.5nH
10
R6549
10
R6526
VN_B6520
IF6503
IF6508
L6522
57R01
0.1uF
C6523
0.1uF
C6524
0.1uF
100pF
*C6525*
1K
R6520
C6503
C6521
39pF
VN_B6540
R6522
8.2
VN_B6503
IF6510
VN_B6502,VN_B6561,VN_B6564,VN_B6565
VN_B6500
.01uF
C6504
IF6505
C6509
IF6504
0.1uF
12pF
39pF
C6522
C6506
C6502
39pF
15pF
IF6509
C6520
IF6511
IF6506
.01uF
C6500
5.6pF
C6511
L6501
150nH
8.2
R6525
C6510
12pF
VN_B6560
VN_B6504
A+_3
A+_4
K9.1V
VGBIAS2
A+_1
VGBIAS3
RFPA_CNTRL
VTEMP
VFORWARD
VREVERSE
A+_2
VCURRENT
TX_INJ
K9.1V_FGU
VGBIAS1
6
7
8
9
1
2
3
4
5
MAEPF-27834-O
Part Series
6500-1
Summary of Contents for XTL 1500
Page 1: ......
Page 5: ...iv June 15 2005 6815854H01 A This page is intentionally left blank ...
Page 19: ...xviii List of Figures June 15 2005 6815854H01 A This page is intentionally left blank ...
Page 25: ...June 15 2005 6815854H01 A xxiv CommercialWarranty Notes ...
Page 35: ...June 15 2005 6815854H01 A xxxiv Model Numbering Charts and Specifications Notes ...
Page 49: ...June 15 2005 6815854H01 A 2 12 Product Overview Controller Section Notes ...
Page 161: ...June 15 2005 6815854H01 A 4 36 Troubleshooting Procedures Power Amplifier Procedures Notes ...
Page 225: ...June 15 2005 6815854H01 A 5 64 Troubleshooting Charts Flowcharts Notes ...
Page 429: ...8 2 Flex Cable Pin Out Lists Flex Cables June 15 2005 6815854H01 A Notes ...
Page 441: ...June 15 2005 6815854H01 A Glossary 10 Notes ...
Page 451: ...Index x June 15 2005 6815854H01 A This page is intentionally left blank ...