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Power Supply :
Regulator 0-30V 5A by IC LM723
& 2N3055 x 2(with PCB)

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Source: PK kit Circuit book

circuit Regulator 0-30V 5A by IC LM723 & 2N3055 x 2

This is circuit Regulator 0-30V 5A by IC LM723 + 2N3055 X2 part. (easy circuit)
To use transformer 5A, Transistor 2N3055 to Hold Heatsink,
VR1-5K to ADJ Volt Output.

PCB Regulator 0-30V 5A by IC LM723 & 2N3055 x 2

Power Supply : Regulator 0-30V 5A by IC LM723 & 2N3055 x 2(with PCB)

Power Supply :
Regulator 0-30V 5A by IC LM723
& 2N3055 x 2(with PCB)