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March 1999
Part No. 001-2009-600
10-19
160W POWER AMPLIFIER SCHEMATIC
FIGURE10-24
50 OHMS
R701
100
20W
4
COMBINER
C762
1.5pF
COMBINER
R702
100
20W
4
C761
1.5pF
COMBINER
EP701
1/4 WAVE
C771
56pF
C702
6.2pF
FINAL 1
Q701
4820
C703
6.2
C704
56pF
EP703
C709
56pF
EP705
+
C711
6.8
C712
.018
C710
.001
C708
56pF
C707
.018
+
C706
6.8
EP704
C705
56pF
+26V
EP707
+
C723
6.8
C724
.018
C722
.001
C720
56pF
C719
.018
+
C718
6.8
EP706
C717
56pF
+26V
EP708
R703
100
20W
4
R705
200
R704
100
C725
39pF
R706
100
B
A
CR701
R707
1k
C726
.018
R708
1k
C727
.018
R709
43.2k
RF 1
WO 511A
R710
100
R711
200
C728
39pF
R712
100
B
A
CR702
R713
1k
C729
.018
R714
1k
C730
.018
R715
43.2k
RF 2
WO 512A
FINAL 2 POWER
FINAL 1 POWER
C721
56pF
1/4 WAVE
1/4 WAVE
C715
6.2
C716
56pF
FINAL 2
Q702
4820
4
4
EP702
1/4 WAVE
C772
56pF
C714
6.2pF
C766
1.5pF
COMBINER
R716
100
20W
4
EP703
1/4 WAVE
C773
56pF
C732
6.2pF
FINAL 3
Q703
4820
C733
6.2
C734
56pF
EP713
C739
56pF
EP712
+
C741
6.8
C742
.018
C740
.001
C738
56pF
C737
.018
+
C736
6.8
EP711
C735
56pF
+26V
EP715
+
C753
6.8
C754
.018
C752
.001
C750
56pF
C749
.018
+
C748
6.8
EP714
C747
56pF
+26V
EP716
R717
100
20W
4
R719
200
R718
100
C755
39pF
R720
100
B
A
CR703
R721
1k
C756
.018
R722
1k
C757
.018
R723
43.2k
RF 3
WO 513A
R724
100
R725
200
C758
39pF
R726
100
B
A
CR704
R727
1k
C759
.018
R728
1k
C760
.018
R729
43.2k
RF 4
WO 514A
FINAL 4 POWER
FINAL 3 POWER
C751
56pF
1/4 WAVE
1/4 WAVE
C745
6.2
C746
56pF
FINAL 4
Q704
4820
4
4
EP704
1/4 WAVE
C774
56pF
C744
6.2pF
FINAL 3
FINAL 2
FINAL 1
FINAL 4
1/2 WAVE DELAY
LINE
+26V
WO 501
+26V
WO 502
WO 503A
WO 503
WO 502A
WO 504
WO 504A
WO 508
WO 506
WO 507
+15V
2
+26V
FINAL 1
+26V
FINAL 2-3
2
+26V
2
FINAL 4
WO 515
FINAL POWER 1
WO 511
RF 1
WO 516
FINAL POWER 2
WO 512
RF 2
WO 517
FINAL POWER 3
WO 513
RF 3
WO 518
FINAL POWER 4
WO 514
RF 4
WO 521
GAIN BLOCK POWER
WO 520
GAIN BLOCK RF
NOTES:
1. ALL RESISTORS ARE IN OHMS AND ALL CAPACITORS IN
MICROFARADS UNLESS OTHERWISE SPECIFIED.
2
BOTTOM SIDE INTERCONNECT WIRES.
3. U502, PIN 8 +6.2V, PIN 4 GROUND
4
DANGER
BERYLLIUM PRODUCT. INHALATION OF DUST OR FUNES MAY
CAUSE SERIOUS CHRONIC LUNG DISEASE.
SEE MATERIAL SAFETY DATA SHEETS FOR FURTHER DETAILS.
+15V
EP511
C553
56pF
+
C554
1
V IN
81
V OUT
A B C GND
GND
U504
78L05
R511
56
+
C535
4.7
R510
240
+
C556
4.7
C557
.018
C558
.001
+6.2V
SOURCE
C559
.018
+6.2V
8
7
6
5
V IN
NC 7
NC 6
NC 5
1
2
3
4
NC 2
NC 3
NC 4
+
C560
1
R512
75
+
U502A
2904
C561
39pF
3
2
1
R514
301k
C562
.001
R513
100k
R515
470
C563
.018
WO519
TEMP
SENSOR
U503
LM35D
R730
100
100W
4
WO 510
TO LPF
50 OHMS
1/2 WAVE DELAY
LINE
EP502
+
C525
1
C523
.018
C524
.1
U501
PHW2820-1
VS1
RF IN
VS2
VS3
RF OUT
GAIN BLOCK
50
1
23
4
C537
56pF
+
C538
.1
+
C539
1
C540
.018
+
C531
.1
C530
56pF
+
C532
1
C533
.018
EP504
EP505
EP506
EP503
C528
56pF
+15V
C529
56pF
+
C517
1
C526
.018
C534
56pF
+
C535
1
C536
.018
50
5
L503
.01uH
C565
10pF
L504
.01uH
A
B
CR501
R519
1k
C566
.001
R520
200
C567
.001
R521
2k
WO 520A
GAIN BLOCK
IF
R517
110
C542
6.2pF
1/4 WAVE
Q502
4820
C548
56pF
EP509
+
C549
6.8
C550
.018
EP508
+
C547
6.8
C545
.018
C546
.001
C544
56pF
EP507
C543
56pF
+26V
DRIVER
C568
6.2pF
50 OHMS
C552
56pF
4
Q501
4098
R507
120
C503
4.7pF
R508
120
C507
.018
C506
390pF
C505
270pF
C504
39pF
C508
39pF
C509
270pF
C510
390pF
C511
.018
R507
360
R504
150
C502
43pF
C501
120pF
R502
0
WO509
RF INPUT
R505
750
+
C519
1
EP501
+
C520
.1
C518
.018
+15V
+C514
.1
+
C512
1
C513
.018
L501
C515
56pF
EP513
WO505
POWER
CONTROL
C516
39pF
L502
50
C551
56pF
EP510
DRIVER