Operating instructions

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A
B
C
D
8
7654321
D
C
B
A
11
125W AMPLIFIER, UHF 450-520 MHZ
05/9151 R2 3
10-Feb-2005 16:50:24
C:\Documents and Settings\Guang\Desktop\9151-PA501Mk2.DDB - Documents\9151-PA501Mk2.sch
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A3
RF Technology Pty Ltd
Unit 10, 8 Leighton Place
Hornsby, NSW 2077
Australia
Rev. Release Date: Originator:
Rev No. ECO No. Description of Change
LOW PASS FILTER
DIRECTIONAL COUPLER
OUTPUT
50-125W
INPUT
SET RFO
FAN
FWD.PWR.
REV.PWR.
RF DET.
OVER TEMP.
RF LED
TEMP. LED
IC A
IC B
IC B
IC C
IC A
IC C
RF LED
DC LED
+13.8
+13.8
+13.8
+13.8
+13.6A
+13.6B
+13.6C
+8.0
+13.8
+13.6A
+13.6B
+13.6C
MODEL FREQUENCY RANGE
PA501B 450-512 HMz
C14 C15 C16 C17 C23 C28 C29 C36 C37 C38 C40 C41
11P 11P 33P 33P 11P 33P 33P 33P 33P 11P 27P 27P
* COMPONENT VALUES GIVEN IN TABLE BELOW. TL LENGTHS ARE FOR B MODEL
# PART OF SUB-ASSEMBLY 11/9138/0001
TP1
L1 L2 L3 L4
L100
220N
C101
3P3
C100
3P3
D100
BAT17
D101
BAT17
J1
R29
100K
C13
220P
Q1
MRF658
L6
C18
220P
C19
220P
L7
R30
10
C20
1N0
C21
100N
+
C22
6U8
Q2
MRF658
L8
C24
220P
L9
R31
10
C25
1N0
+
C27
6U8
Q3
MRF650
L10
C30
220P
L11
R32
10
C31
1N0
C32
100N
+
C33
6U8
L12
1U0
R33
4.7
C39
56P
C42
56P
L13
1U0
R34
4.7
L14
J2
C102
220P
C103
220P
C58
1N0
TP4
TP2
TP3
R54
100
R55
100
R56
100
R57
100
L15
+
C63
10U
C64
100N
Q115
MMBT3904
R80
1K0
R81
270 1W
C34
220P
R52
0R022
R21
0R022
R53
0R022
C11
2-14P
C12
2-14P
C35
14P
C43
2-10P
C44
2-10P
J4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
JP1M
P1
P2
Q6
TIP32
R85
1R0
C40
*
C41
*
C29
*
C28
*
C36
*
C37
*
C16
*
C17
*
C15
*
C14
*
C38
*
C23
*
VI
3
GND
2
VO
1
LM78L08P
#L201
#L201
#L201
#R201
68
#C201
100N
#C201
100N
#R201
68
#C201
100N
#R201
68
C26
100N
R26
680
C80
*
C81
*
C82
*
C83
*
C90
*
C91
*
C92
*
C93
*
C80-C83 C90-C93
11P 11P
11P11P27//27P39P11P39P39P33//27P27P22P39P39P11P22P400-450MHzPA501A
PCB
30/9151/B001
30/9151/A001
R100
120
R101
120
R103
470
R102
470
R143
470
R104
470
Q100
MMBT3904
Q102
MMBT3904
Q101
MMBT3904
Q103
MMBT3904
R105
470
R112
470
R106
22k
R107
3900
R108
1500
R109
150
R110
1k
D102
BAV99
R111
1k
V REV
+13.8
C104
27P
R113
3900
R114
22k
R115
1500
R116
150
R117
1k
R118
1k
D103
BAV99
C105
27P
Vfwd
Q104
MMBT3906
Q105
MMBT3906
Q107
MMBT3906
Q106
MMBT3906
Q109
MMBT3904
Q108
MMBT3904
R120
10k
R121
470
R122
10k
R123
22k
R124
2k2
R125
10k
R126
22k
R127
22k
R128
22k
R129
2k2
R130
3k3
R131
22k
R132
10k
R133
100
R134
100
VR136
10k
VR137
10k
+8V
R136
100
C106
47p
J3 (ALC)
C107
47p
C108
47p
Q111
MMBT3904
Q114
MMBT3906
Q113
MMBT3906
R138
560
R139
47
R137
10k
R142
2k2
R141
10k
VR143
10k
+8V 13.8
Q112
MMBT3906
RT144
B59901/D90
R145
10k
R146
10k
R147
10
R148
22k
R76
270
R150
10k
R151
22k
TEMP.LED
R66
470
OVERTEMP
FWD REV
Q116
MMBT3904
R152
10k
R153
100
R154
100
C110
27p
C111
27p
*
C112
27p
6mm 20mm 85mm
32mm
32mm
35mm *
34mm
32mm
50mm
34mm
R156
10k
R157
10k
R158
10
Q117
MMBT3904
R73
10
C1
1N
C65
1N
C109
100P
C113
100P
PWR PWR
C115
1N
R159
100
3mm 6mm
2
0116 Errors found in values of R147 and R157
18/04/2000 David Lecomte
0128 Update the component value in PA501A(400-450MHz) table
C100
10N
+
C116
10U
C117
1nF
Place C117 as close to J3 as possible
3 0170 Add C117, also add details of DB9 pinout(Assy 12/0004)
1
6
2
7
3
8
4
9
5
J3
DB9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
JP1F
Ribbon Cable
Assy #12/0004
D2
YELLOW
D3
GREEN
D1
RED
Assy #30/9106