This circuit covers the bands from 1.8 to 150 MHz, with plug-in coils whose characteristics are given next to the diagram. The FET can be a BF245. We found it in old documentation.
Found in an American brochure from the 90s, this circuit shows how we can implement a 4-input AND...
The integrated circuits in this application are not very common today. One consists of an A / D...
September 2016 - It can be obtained from Mouser Electronics the FAN602 integrated circuit...