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Extreme High Voltage: Random AnAtmoSphere Glows and Sparkles

A collection of informal views of the glow discharge within the AnAtmoSphere low pressure chamber. The central polished chrome sphere is positively charged and the surrounding copper tube electrode is the negatively charged zone….

Extreme High Voltage: AnAtmoSphere Vacuum Cycling at Constant Input Voltage

Here we can see the change in character of the glow/arc/corona/spark discharges as the pressure in the AnAtmoSphere changes. I cycle the vacuum pump several times while providing a constant voltage to the flyback…

Joule Thief: Supplement: AC and DC Coupling, Input and Output, Scoposcopy

Here I use the little NE-2 Joule Thief to illustrate the function, effect and usage of the AC coupling / DC coupling settings on the oscilloscope. The “AC Coupling” setting is NOT for measuring…