Only for reference this is a circuito f a commercial receiver of the year 1958. The circuit uses coils and transformers hadr to find in our days. The circuit is destinated to receive MW stations.
This is a very simple atomic radiation detector circuit using a Geiger-Muller tube. The circuit was...
This power source, obtained in a 1973 publication, suggests the use of partially burned germanium...
Using a V/F converter this circuit was found in the June 1991 issue of Radio Electronics magazine. The...