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1
2
TP3
TP2
+13.8
R22
0R1
F
P1
C5
TP1
1N0
R21
P3
0R1
P2
+8.0
R49
10K
C64
R15
1N0
10K
R48
E
1K
R16
R17
2K2
10K
5
7
6
U3B
RT1
t
C61
TLC274
1N0
Q2
3904
2
Vo
+13.8
U4
D4
LM61
1N4002
Q6
D
3055
+8.0
R47
C62
D5
100
1N0
*1N4148
R44
10K
2
D6
R46
1
*1N4148
3
10K
R45
U3A
1K5
C63
TLC274
1N0
C
NOT USED IN 50/60 WATT VERSIONS
(SUFFIX -H DESIGNATION)
SPLITTER
L17
1-25W
INPUT
C43
C44
J2
12P
12P
L18
C45
C46
12P
12P
B
P4
+13.8
16
15
14
TEMP. LED
13
R26
12
RF LED
680
11
DC LED
10
9
8
IC B
7
IC A
6
RF DET.
5
OVER TEMP.
4
FWD.PWR.
+13.8
3
REV.PWR.
A
2
1
1
2
3
+13.2B
LM78L08
+13.8
U1
IC B
1
VI
+13.2A
+
C3
IC A
10U
R33
100
C6
1N0
Q1
R27
2N3906
D2
10K
R25
1N4148
270
TEMP. LED
OVER TEMP.
R28
U2C
10K
+8.0
R18
TLC274
C59
10K
9
1N0
8
10
Q3
RF DET.
J3
2N3904
R24
C60
1N0
RF LED
270
FAN
R23
R50
10K
*10K
L10
L7
R40
C30
10
1U
R41
**100N
**220
L11
Q5
**
MRF247
C36
C34
C35
*390P
*51P
*51P(not fit in BH)
R42
12
C24
C37
C38
*180P
*220P
*180P(270P for BH model)
R19
100
L5
L2
R36
10
C15
1U
R37
**100N
**220
L6
Q4
**
C21
MRF247
C19
C20
*390P
*51P
*51P(not fit in BH)
R43
12
C9
C22
C23
*180P
*220P
*180P(270P fo BH model)
* VALUES ARE FOR 154 - 174 MHz
(SUFFIX -B MODELS)
C19
C20
C21
C22
136-154MHz
C34
C35
C36
C37
(SUFFIX -A MODELS)
68P
68P
510P
330P
(SUFFIX -AH MODELS)
NF
** THESE 8 COMPONENTS ARE NOT FITTED ON PA150BH (100W) MODELS
*** C11/C26 ARE NOT FITTED ON 50W MODELS
3
4
5
+8.0
R10
REV.PWR.
1K
R29
C1
3
VO
10K
10N
C7
R30
100N
47K
RV2
+8.0
C58
R31
1N0
33K
U2D
TLC274
12
14
C57
13
1N0
R32
RV1
R12
33K
100K
C2
R7
100N
FWD.PWR.
1K
R14
C4
10K
10N
+13.2B
L8
R38
**220
C29
+
R39
6U8
10
C33
1N0
C31
100N
L9
170N
100
C32
1N0
C25
C26
C27
C28
*180P
***120P
*120P
*22P
+13.2A
L3
R34
**220
C14
+
R35
6U8
10
C18
1N0
C16
100N
L4
C17
1N0
C10
C11
C12
C13
*180P
***120P
*120P
*22P
C23
C9
C10
C12
C13
C39
C41
C42
C38
C24
C25
C27
C28
C40
160P
160P
270P
120P
27P
39P
10P
12P
270P
NF
4
5
6
7
R9
100K
+8.0
R11
100
C8
10N
U2A
R8
TLC274
2
1
47K
3
C56
1N0
U2B
TLC274
R5
6
7
47K
5
C55
1N0
R6
100K
C53
C54
1N0
1N0
D3
BAT17
C52
C51
10P
10P
R4
220
R1
R2
COMBINER
220
220
L19
L1
1U
C47
C48
12P
12P
R20
L20
C49
C50
12P
12P
L14
L15
L12
C40
C39
27P
27P
C41
8P
LOW PASS FILTER
9
260
reduce ALC loop gain: R12 to 100K, C2to 100N
8
241
mismatch fix for new pcb
7
221
Add fan control circuit
6
211
AH model high-end low output power fix
C11
R42
C26
R43
Rev No.
ECO No.
NF
12
Title
120W AMPLIFIER, VHF 136-174 MHZ
100P
NF
Size:
A3
Number:
05/9118 R7
Design
Print Date:
21-Feb-2006
Sheet
Revision:
Rev. Release Date:
Originator:
File:
D:\Protel Files\Master_EDA\9118_PAVHF_FAN\9118.ddb - Documents\9118R7V9.sch
6
7
8
12
10
F
14
8
13
9
U3D
U3C
TLC274
TLC274
E
D1
BAT17
D
R3
220
DIRECTIONAL COUPLER
C
25-120W
L16
J1
OUTPUT
L13
R13
100K
C42
B
8P
Description of Change
A
Sheet
8
Revision:
RF Technology Pty Ltd
1
of
2
Unit 10, 8 Leighton Place
Hornsby, NSW 2077
Australia
8
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