This circuit was obtained in a magazine for radio amateurs 73 of the 90s. The circuit is based on the XR2206, which is not a component found easily today.
This circuit is from a 1975 magazine, but it is still current as all components are common. The...
This PNP transistor power stage was found in the May 1969 issue of Radio Electronics magazine. The circuit...
This circuit is suitable for incandescent lamps but can be adapted to work with LEDs. The circuit is...