We have already presented this circuit, obtained from manuals from other manufacturers of the used integrated circuit. This is specifically from Motorola's 1990 Linear Databook.
We found this circuit in a 90s 73 magazine for radio amateurs. The circuit has 3 W of power and can...
This circuit is from old American documentation, but the transistor used is still very common...
This circuit uses a simple power source, having been found in the Philips Databook of 1990....