Anatek Lab Supply

Posted on Feb 6, 2014

The unit is designed around an ordinary op-amp and easy to obtain parts. Reverse engineered circuit diagram of Anatek 50-1S variable power supply shown below. Circuit board layout does not seem all that critical and as you can see from the schematic that sense wires to the circuit board have their own stake on connectors separate from the output w

Anatek Lab Supply
Click here to download the full size of the above Circuit.

ires. Although the unit uses a single transformer with two output windings the circuit works equally well using a big transformer and a little transformer. The test point at pin 8 of the op-amp goes high when the variable power supply is operating in current limited mode and it could be used to drive an LED.

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