This high voltage power supply for gas laser tubes was found in the Radio Electronics magazine special edition of 1990. The circuit consists of an inverter with voltage multiplier.
The CK722 transistor used in this circuit is one of the first commercial types in the world. The...
This automatic dimmer for incandescent lamps was found in a European publication from the 1980s. The...
This traditional doubler configuration with the 555 can be found in other articles on the author’s site....