In the figure we have one of the many ways to program the counting of a 4017. The circuit uses additional gates and was found in the Radio Electronics magazine of April 1989.
We found this 4.5 MHz amplifier for video signals from old analog TVs in the June 1992 issue of...
This circuit was found in the 1990 Motorola Dataar Linear. We can mount it with more modern...
The oscillator shown in the figure can generate signals between 3 and 15 MHz approximately, depending...