This circuit was found in documentation from the 90s, being indicated for the deflection of cathode ray tubes. It consists of a DC voltage amplifier and operates at frequencies up to 1 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....