This circuit was found in an 80's General Electric documentation. The circuit uses uncommon components today like the PUT. Unijunction admits equivalent.
This PNP transistor power stage was found in the May 1969 issue of Radio Electronics magazine. The circuit...
This circuit was found in the Italian magazine Radio Elettronica from September 1977. It consists of a...
We found this circuit in an English documentation from 1995. The circuit makes use of common...