This circuit is based on a Siemens S566B integrated circuit. The circuit is from a Radio Electronics Experimenter and also has a digital control input.
A recreational application of the 4018 is shown in the figure in which we have electronic dice....
We found this circuit in the same publication as the previous one (CB18947E). The circuit uses two...
This telegraphy circuit generates an audio tone from a pure RF carrier. We found it in a...