Electronic Schematic Diagram: General Purpose Power Supply

General Purpose Power Supply

General purpose power supply schematics:

You can select the output voltage range by 0-30V or 0-40V of 0-60V. The component's value will be different depends the output range you choose.

Vout	Iout	R1	R4, R5	R9	Tr1	C1/C5	IC1	Tr2	Tr3
0-30V	1.3A	0.47Ohm	33k	2k7	24V/2A	40V	723	BD242	2N3035
0-40V	0.8A	0.82Ohm	47k	5k6	33V/1.5A	63V	L146	BD242A	2N3035
0-60V	0.6A	1.2Ohm	68k	19k	48V/1A	80V	L146	BD242B	2N3442

Please check the output current since higher voltage output will decrease the current output.

Make Your Own Printed Circuit Boards
Make a PCB in very easy steps..! Create your PCB design using PCB designer software like Eagle, print out your design on photo paper or glossy paper with laserjet printer. Stick the printed design on the PCB (copper side) and then heat it using hot iron plate. The ink will stick on the PCB and it will be ready for etching process.
Watch this video detailed steps:

Note: If you don't have laserjet printer, then you can print the design on standard paper. Copy the printed design at Copy Service around your location (with glossy paper).

Electronic Schematic Diagram

General Purpose Power Supply

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