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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High impedance preamplifier (CB8941E)
Suitable for operation with high impedance microphones, this circuit was found in American...
Crystal Asymmetric Astable (CB12001E)
Frequency and active cycle of this circuit are fixed by the two crystals that may have different...
Voltage Level Indicator (CB21453E)
This circuit using programmable unijunction transistors was found in General Electric...