This circuit, with output of 1.5 A, was found in a magazine 73 of the 90s. The integrated circuit is from the time and must be mounted in a heat sink.
The circuit shown is from an old European publication. In it we have the way to activate a relay...
We found this circuit in a European publication from the 1990s. Transistors are still common types...
This circuit was found in an American documentation and can be added to common amplifiers of any...