文档介绍：ARRL Handbook CD
Template File
Title: -V, 40-A Power Supply
Chapter: 11
Topic: A -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 D7 D8 D9
D17 C17 C18 C19 C20 C21
L2
R10 R11
R19
R23
C15 C16
C33 R15 R16 C22
AC IN C32
R14
C36 C35
R16
R15
R18 R17
R20
R13 C31 U1 L3
Q3 C34 Q4 C37
C1 D10 D11 VR1
R21
R12 R24 C23
D13 D14 D12
R22
T1 6 7 8 9 10 6 7 8 9 10 R25
L1 T2 T3 VR2 R2