Found in RCA documentation from the 1970s, this circuit is intended for firing thyristors in inverter circuits. The components are from the era and the operating frequency is 10 kHz.
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....