Power supply regulator 0-30V 1A by IC 741 + Transistor 2N3055 & 2N3565


This is circuit power supply regulator variable voltage 0-30V at 1A.
it is old circuit I used IC ua741 or LM741 OP-AMP IC for control adjustable Votage by VR1 (see in image circuit).
The transister 2N3055 is classic part for booster current up to 1Amin.
I used transformer 2A. it big size in PCB but sure current peak 1A min.

Circuit power supply regulator 0 30v 1a by ic 741 transistor 2n3055 2n3565

Circuit power supply regulator 0-30V 1A by IC 741 + Transistor 2N3055+2N3565

Pcb power supply regulator 0 30v 1a by ic 741 transistor 2n3055 2n3565

PCB power supply regulator 0-30V 1A by IC 741 + Transistor 2N3055+2N3565


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