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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Parallel regulator (CB22266E)
This low current parallel or shunt type regulator was found in documentation from the 60's. The...
1 kHz Tone Recognizer (CB1428E)
This circuit is found in a 1975s documentation for radio amateurs. It was developed to recognize a...
Audio Relay (CB13614E)
The displayed relay operates with an audio signal applied to the input. The transistors can be...