This Nixie pipe circuit was found in 1965 documentation. Note the high supply voltage. Appropriate transistors of the time were used.
This configuration was found in old documentation and is valid for most general purpose NPN...
This circuit uses a capacitor to store energy. The capacitor is charged by closing S1 by a moment. Them,...
This circuit was obtained from a Popular Electronics of the 80's. It is set to a certain pulse...