Described in an article in the March 1979 issue of Radio Electronics magazine, this generator was used in an audio test station. The frequencies are given by the capacitors.
We found this circuit in a 1994 documentation. It can be implemented with the indicated...
This is the name of an interesting lighting effects device for discos, ballrooms or even shop...
The CMOS 4046 integrated circuit is not very common today, consisting of a very efficient PLL for...