This circuit is from a 1992 publication and is based on CMOS technology. The circuit is powered by a 6 V source and the displays are of common cathode.
In the figure we show an interesting application for integrated circuit 4001. This circuit causes a...
The operational 3403 is not currently common, but a similar configuration can be made with modern...
Found in a 1954 documentation, this circuit uses a germanium transistor from the time. The coil...