Neon Voltmeter (CB13643E)

This circuit was found in a 1974 publication. It consists of a voltmeter for high voltages, up to more than 100 V, using a neon lamp.

| Clique na imagem para ampliar |

Capacitive discharge ignition (CB24182E)
This circuit is from a Radio Electronics from April 1972. The circuit uses power transistors of...
Sinusoidal to Square Converter (CB17472E)
We found this simple circuit in a 1999 documentation. It converts low-intensity sinusoidal signals (a...
Plasma Lamp (CB26130E)
This very high voltage circuit was found in the 1990 special issue of Radio Electronics...