The circuit is from the 1990 Motorola Linear Databook. The circuit can be implemented with other operational amplifiers. The power supply must be symmetrical.
The idea of this circuit is to press the button in such a way that the flow of the LED in the...
This signal injector and tracer (follower) was found in an old American documentation. The...
This small signal generator for the bench was found in a 1988 documentation. The signals are...