Figure 7-92. Hue4040A Rf Power Amplifier (Rf Pa) Schematic - Motorola ASTRO XTL 1500 Detailed Service Manual

7-120
C5567
R5537
RFPA/FGU
0
TP5503
220pF
INTERFACE
NU
NU
PA_INJ
L5502
390nH
C5555
220pF
C5505
RFPA/POWER CONTROL
0.1uF
C5554
INTERFACE
.01uF
RFPA_CNTRL
K9.1V
VGBIAS1
VGBIAS2
VGBIAS3
A+_1
C5501
R5532
A+_2
2.7
10uF
VTEMP
VCURRENT
VFORWARD
VREVERSE
R5501
150
C5503 C5504
.033uF 220pF
TP5501
C5506
L5501
TX_INJ 18nH
10pF
C5502
R5528
2.7pF
150
C5570
0.1uF
U5570 TP5570
4 5
VIN VOUT
2 ON_OFF 1
ADJ
C5572
R5570 R5572
R5571 GND1 GND2
2.7 7.5K
22uF
3 6
33K
C5571
10uF
R5573
1.2K
K9.1V
Q5570

Figure 7-92. HUE4040A RF Power Amplifier (RF PA) Schematic

June 15, 2005
C5517
L5505
0.1uF
390nH
C5510
R5505
C5566
150
C5568 C5518
0.1uF
6.2pF
27pF
7.5pF
C5508 C5516 NU
6
16 RFIN
RFOUT1
1 VCNTRL 7
RFOUT2
220pF
220pF 2
14 VD1
VG1
11 G2 3
VG2 C5569
C5519
U5501
8 NC 1
7.5pF 10pF
9 NC 2
NU NU
10 NC 3
C5509
L5503
15 NC 4
8.2nH
100pF
4 5 12 13 17
C5515
R5509
1.8K
.022uF
NU
C5507
3.9pF
R5508
C5513
2K
.022uF
NU
R5527
1K
.01uF
C5511 C5514
.033uF
220pF
R5504
L5504
NU NU
1K
220nH
NU
R5503
4.7K
C5512
R5507
100
56pF
Q5501
R5506 R5510 C5520
R5502
82 82
5.1pF
C5565
6.8K R5529
.033uF
180
DRV_9.3V
C5573
0.1uF
Schematics, Component Location Diagrams, and Parts Lists: HUE4040A (UHF Range 2) Main Board
R5544
M5501
R5515 15
1
POS R5545
2.2
15
R5511
R5538
C5521
15
2.2
33pF
R5539
NU
R5512
15
Q5502
2.2
R5530
R5516
R5513 15
C5522
51
R5533
7.5pF
2.2
C5525
NU
15
R5514
C5560
220pF
2.2
20pF
C5559
20pF
R5534
L5508
12.5nH
15
R5536
C5527
15
R5540
100pF
15
E5501
R5517
R5541
C5556 10
15
C5526
R5542
15
0.1uF
R5543
DRV_9.3V
15
C5578
C5575 C5576 C5677
220pF .01uF 220pF
.01uF
TP5502
L5506 L5507
PA_INJ
18nH
18nH
C5523 C5524
5.1pF
10pF
R5525
VGBIAS1_SUM
C5557 1K
.01uF
C5539
C5535
51pF
100pF
R5520
1K
C5542
30pF
Q5503
D1 2
C5545
27pF
R5535
6 S1 1
G1 S2 5 10
S3 8
C5546
7
S4 4
G2
27pF
D2 3
C5548
R5521 C5543
1K
30pF 12pF
C5540
C5538
100pF
51pF
C5558
.01uF
R5526
VGBIAS2_SUM
1K
R5522
5m
C5544
C5541
U5502
1
0.1uF
0.1uF
POS
2
VOUT
C5579
GND
U5503
220pF
3 5
VPOS
1 OUT 3
VINPOS
4
VINNEG
R5519
100K GND
2
R5548
2K
R5546
R5547
K9.1V
15K 15K
K9.1V
9 4
8
6 4
U5504-3
10
7
11
R5549 U5504-2
5
11
43K
K9.1V
R5550
2K
R5551
15K
DEFAULT_NET_TYPE
C5681
C5580
220pF .01uF
R5553 R5556
R5552
15K 15K
K9.1V 43K
K9.1V
4
2
13
1
U5504-1
43K 1%
R5554 3
U5504-4
11 R5557 12
6.8K
R5555 15K 1%
M5502
1 2
RFPA/OUTPUT NETWORK
INTERFACE
C5553
100pF
C5563
C5551 C5552
9.1pF
RFPA_OUT
NU
10pF 4.7pF
SWITCH_BIAS
VFORWARD_ON
L5510
17nH
VREVERSE_ON
C5549
100pF
E5502
R5523
10
C5550
0.1uF
R5524
33
VGBIAS1_SUM
D5501
VGBIAS2_SUM
D5502
4
14
11
6815854H01-A