We find this circuit in an Electronic Design of the 90s. The used integrated circuit admits equivalents and next to the diagram are given the formulas for the calculation of the components used.
This circuit was found in a European documentation. Transistors are not indicated, but they can be...
This circuit switched with the help of small inductors produces a peak voltage above 20 V that is...
This very high voltage circuit was found in the 1990 special issue of Radio Electronics...