Experimental Modern and Quantum Physics for Do-It-Yourself Science Enthusiasts 

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Home Experiments Archive for category "Plasma Physics"
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d.i.y. 15 kV @ 30 mA Floating-Output AC or DC High-Voltage Power Supply

Transformers made for powering large neon signs are inexpensive and very reliable.  Most commonly, the secondary is center-tapped, which prevents the use of its full peak-to-peak output in applications where one of the terminals needs to be grounded. In the power supply described in this post, I took out the high-voltage transformer out of its metallic

 
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