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1
D
ALC
+13.8
R14
10K
R4
100
Q3
Q4
MPSW51A
2N3904
R11
C
1K0
R12
R13
10R
470
C20
+
10U
L8
J1
1.5T
B
SMB
C3
18P
+13.8
P1
16
+9.4
15
14
13
12
11
10
9
8
ALC
7
6
FWD.PWR.
5
REV.PWR.
4
A
3
2
1
T&B 609-1627
1
2
+9.2TX
R6
C7
15K
1N0
RV1
R15
470
10K TRIMPOT
SET POWER
R7
47K
D3
U1C
1N4148
MC3403
10
+
8
C6
9
1N0
-
D4
1N4148
R28
C21
1N0
1M
C14
22N
R30
4K7
R10
10R
Q5
2N3904
R33
C1
10
L4
1N0
FRT BEAD
WIRE +
37/1022/0001 *4
C2
C31
R17
1N0
7K5
100N
7
Q2
6
MRF5812
C18
L9
R16
1N0
2.5T
470
+9.2TX
2
3
4
100K
R2
R22
REV.PWR.
1K
C23
1N0
U1B
7
MC3403
R21
+9.4
100K
R20
100
10N
U1A
MC3403
2
R3
-
1
3
100K
+
1N0
R18
FWD.PWR.
1K
C15
R19
+9.4
1N0
100K
R29
10K
U2 M68729
RT1
t
C32
1N0
C27
C28
100N
100N
C12
C29
10U
10U
L6
L7
+13.8
C13
10U
C30
+
1N0
3
4
5
R23
6
C24
47K
5
1N0
12
C5
13
C16
C17
R24
47K
100P
100P
D1
D2
C4
BAT17
BAT17
C25
C26
10P
10P
R5
R1
220
220
R26
R25
220
220
5
L5
3u3
L1
4.5T
C10
* added
15pF
27P
2
139
Modification to low pass filter
Rev No.
ECO No.
Title
9117 - 25W 220MHz PA
A3
Size:
Number:
Print Date:
29-Oct-2003
15:02:41
Sheet
Rev. Release Date:
Originator:
File:
I:\CAD_File\Protel99\220MHz\220MHz.ddb - 9117-220-2.sch
5
6
D
U1D
MC3403
+
14
-
C
J2
L2
L3
4.5T
4.5T
SMB_PC
*added
C9
15pF
B
27P
R27
100K
Description of Change
A
Revision:
2
RF Technology Pty Ltd
2
of
2
Unit 10, 8 Leighton Place
Hornsby, NSW 2077
Australia
GM
6
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