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 PLL circuit includes a small amplification stage. We found it in the December 1989 Radio...
Depending on the key pressed, this oscillator produces a different tone, set in the corresponding...
This simple CMOS circuit generates two-frequency signals for use as a signal injector. The circuit...