This 8-bit converter was found in an American 1980s documentation. Motorola components are uncommon today. The circuit serves as a reference.
This circuit was found in an English magazine Radio & Electronics Constructor of February 1977....
Varicap or varactor is the basic component used in this circuit of an American 80's documentation. The...
This circuit uses a 4020 counter that divides the frequency up to 210, being found in a former...