Laboratory Power Supply – Variable voltage from 0V to 50V and variable current from 0A to 1A
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.
Read More Source:http://members.shaw.ca/novotill/LabSupply50V1A/index.htm
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