This PNP transistor power stage was found in the May 1969 issue of Radio Electronics magazine. The circuit uses a transformer for excitation and requires 10W input for full output power.
This circuit is from an old publication from the 70s, but it can be implemented with more modern...
This circuit was found in an American 80s circuit manual. The components used are unusual. The...
We found this circuit in a 1976 documentation. The transistor and the integrated circuit must have...