This traditional dimmer configuration for incandescent lamps and heating elements was found in an RCA transistor manual. SCR can be a more modern equivalent like TIC106, depending on the power grid.
Found in an Electronic Engineering from the 80's, this circuit makes use of components of the...
This is a conventional double T oscillator, where the frequency is determined by the double T...
This circuit was obtained in a magazine for radio amateurs 73 of the 90s. The circuit is based on...