A couple of years ago I built this prototype power supply for a large CO2 laser. The interesting thing about it is that it completely microcontroller driven and uses a rare series resonant topology. It deliveres up to 30KV and an adjustable constant current of up to 25mA.
After considering it lost I was pleased to find it again.
I was able to get it running and decided to show some fruits who is the boss...
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As the picture from inside the power supply shows it is really simple consisting of only a few parts:
The power supply was originally inspired by this article
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