Power Supply Adj 0-30 V 0-3 A

[regis100]

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[regis100]

Parts List.

R1 = 2,2 KOhm 1W
 
R2 = 82 Ohm 1/4W
 
R3 = 220 Ohm 1/4W
 
R4 = 4,7 KOhm 1/4W
 
R5, R6, R13, R20, R21 = 10 KOhm 1/4W
 
R7 = 0,47 Ohm 5W
 
R8, R11 = 27 KOhm 1/4W
 
R9, R19 = 2,2 KOhm 1/4W
 
R10 = 270 KOhm 1/4W
 
R12, R18 = 56KOhm 1/4W
 
R14 = 1,5 KOhm 1/4W
 
R15, R16 = 1 KOhm 1/4W
 
R17 = 33 Ohm 1/4W
 
R22 = 3,9 KOhm 1/4W
 
RV1 = 100K trimmer
 
P1, P2 = 10KOhm  linear pontesiometer
 
C1 = 3300 uF/50V electrolytic
 
C2, C3 = 47uF/50V electrolytic
 
C4 = 100nF polyester
 
C5 = 200nF polyester
 
C6 = 100pF ceramic
 
C7 = 10uF/50V electrolytic
 
C8 = 330pF ceramic
 
C9 = 100pF ceramic
 
D1, D2, D3, D4 = 1N5402,3,4 diode 2A - RAX GI837U
 
D5, D6 = 1N4148
 
D7, D8 = 5,6V Zener
 
D9, D10 = 1N4148
 
D11 = 1N4001 diode 1A
 
Q1 = BC548, NPN transistor or BC547
 
Q2 = 2N2219 NPN transistor
 
Q3 = BC557, PNP transistor or BC327
 
Q4 = 2N3055 NPN power transistor
 
U1, U2, U3 = TL081, operational amplifier
 
D12 = LED diode