This small receiver for the medium wave range was found in Radio Electronics magazine from July 1958. The circuit is for listening to headphones and powered by batteries.
This circuit was found in the May 1989 issue of Radio Electronics magazine. The components can be...
Using the 741 this basic circuit was found in the November 1973 Radio Electronics magazine. The...
This circuit came out in an English magazine from 1977, but it can be easily assembled today, as...