Plasma Lamp (CB26130E)

This very high voltage circuit was found in the 1990 special issue of Radio Electronics Experimenter magazine. The circuit consists of a Tesla coil.

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FM Local Oscillator (CB4293E)
This is the typical circuit of a local oscillator for a superheterodyne FM receiver. The circuit...
455 kHz Beat Oscillator (CB22035E)
This oscillator for receiving SSB signals is intended for receivers with IF of 455 kHz. The...
Variac (CB26034E)
The figure shows a typical circuit of a variac with a special transformer with sliding adjustment of the...