0-50V 1A Laboratory Power Supply Variable Voltage


Posted on Feb 5, 2014

Reverse engineered circuit diagram of an expensive commercial variable lab power supply. This unit is designed around an ordinary op-amp and easy to obtain parts. Although the unit uses a single transformer with two output windings the circuit works equally well using a big transformer and a little transformer. Disclaimer All files are found using


0-50V 1A Laboratory Power Supply Variable Voltage
Click here to download the full size of the above Circuit.

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