Text preview for : 13v40aps.pdf part of 13.8V 40A chargher
Back to : 13v40aps.pdf | Home
ARRL Handbook CD Template File
Title: 13.8-V, 40-A Power Supply Chapter: 11 Topic: A 13.8-V, 40-A Switching Power Supply Template contains: Parts placement diagram PC Board Etching Pattern
Note: Etching pattern may be slightly too large for US Letter size paper on your printer.
Schematic Diagram
Note: The schematic diagram is printed correctly in the 2000 ARRL Handbook. The schematic diagram is printed incorrectly in the 1999 ARRL Handbook; this is the corrected schematic.
D6 R10 C15
D7
D8 R11 C16
D9
D17
R19
L2
C17
C18
R15 R16
C19
R23
R14 C36
C20
C21
R16
R18
C32 R20
VR1
R17
R15
C35
AC IN
C33
C22
C37
R13 C1 D10 R12
C31 D11
U1
R21
R24
Q3 D13
C34
Q4 D14
L3 C23
D12 R22 10 VR2 R25 R26 R34
L1
T1
6
7
8
9
10
6
7
8
9
T2
5 4 3 2 1 5 4
T3
3 2 1
C24 13.8 V
R31
D18
C2
C13 NTC2 C3
R9
C12
VR3 R1 R2 C38 R3 R4 D3 Q1 R37 R38 Q5 R39 R35
R36
NTC1
R5 R6 R7 R8 D5
U3
+
D4
D2
R32 R27 R28 R29 R30 R33 + FAN
R K G
C10
+ C3
C11
C4
C5
C6
C7
C8
C9
D1
FB2
C14
U2
FB1
Q2
A 13.8-V, 40-A Switching Power Supply, Chapter 11