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Low Impedance Negative Resistance Tesla Coils

Original poster: stork <stork@xxxxxxxxxxxxxxxxxxx>

I have often been struck by the theoretical implications of negative resistance in regenerative antennae and have wondered about their application to TCs. It would be attractive to design a TC coil where DC resistance is eliminated and 100% of input power is devoted to output
reactive power only. Apparently this concept was not lost on Tesla as he wrote about it over a year ahead of Armstring and his early regenerative oscillators. Further thought suggests easy application to CW tube TCs and even solid state TCs which have caught our fancy and seem to be the rage of Tesla coiling currently. And, rightly so.