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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Transistors Tester (CB14943E)
We found this circuit in a 1979 Poptronics. The circuit can be easily assembled with the use of...
Undertemperature Switch (CB24978E)
Unlike the previous circuit this one trigger when the temperature drops below the set value. The...
Circuits with the 36 V x 2 A LT3481 Step-Down Converter (CB12775E)
A very interesting integrated circuit for step-down converter designs (voltage reducers) with an...