This very low power circuit is based on the ICL7860. We found it in an Electronics Now from April 1995. The output current is very low.
This old configuration of an audio amplifier has a push-pull two-transistor output stage. Output...
This is the traditional configuration of na Astable Multivibrator using two NPN ttransistor....
This circuit is from 1987 documentation. The operating system used is not common today, but two...