Text preview for : High Quality Psu For Amplifier-Audio Op Amps - Schematic.pdf part of 1st class psu for audio / op amp
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High Quality Psu For Audio Op Amps
Q2
2SA1015 PnP / TIP125
DC - Input
INPUT 20v - 35v max
TO92 100 ma 79L12 35v Low ESR 220µF poly IN OUT REF 16v 47µF OUT A 12v LED1 250
c
e
A
47
2SA1015 PnP
B
OUT - 100ma max
b
3.3K
2SC1815 NpN
e b
10
c
Z1 15v
16v 100µF 1% 10K 25v Low ESR 100µF 25v 47µF
0.1µF
4.7K
12K 1 2 3 4
0 Volts
IC1
V Adj 3K VR1 10K 3K 35v Low ESR 220µF 0.1µF IN OUT poly poly C7 0.1µF TO92 100 ma 78L05 REF IN OUT
0 Volts
8 7 6 5 12K 15v + 10 OUT B Z2 16v 100µF 15v 1% 10K 25v Low ESR 100µF 25v 47µF
REF
12K
b
16v 47µF 12v + LED2 3.3K
e
250
2SA1015 PnP
c b c Q1 e
47 2SC1815 NpN
INPUT 20v - 35v max
OUT + 100ma max
DC + Input
TO92 100 ma 78L12
A B For more powerfull psu change Q1 & Q2 for TIP121 / TIP125 and take power from point A instead of point B With Q1/Q2 Tip121 & 125 Output Current 5 Amps With Adequate Heatsinking and Input Output Voltage adjusted by VR1
Psu made & designed by [email protected] IC1 NE5532 or EQ
Psu Schematic2.pcb page 1 of 1
2SC1815 NpN / TIP121