This circuit was found in a 90s EDN. Its purpose is to increase the efficiency of operational amplifiers. Power MOSFETs and inverted zeners support equivalents.
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...