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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Microphone Preamplifier (CB26214E)
We found this circuit in Radio Electronics Special Projects from 1992. The circuit turns on the...
Surge Protector (CB18721E)
This circuit acts on a relay disconnecting the load when the input voltage exceeds the set limit....
Transistor MW Transmitter (CB19090E)
This experimental short-range transmitter came out in a 1972 publication and was designed to...