Found in the 1990 special issue of Radio Electronics Experimenter magazine, this circuit uses an automobile ignition coil. Adjustments can be made to suit the coil.
This circuit with JFET and Unijunction was found in an ancient American documentation. The...
What differentiates this circuit from the previous one (CB12689E) is the non-need to use a...
The integrated circuit in question is an adjustable high voltage regulator from Texas Instruments...