The input and output frequencies of this circuit depend on the coils and capacitors of the tuned circuits. The circuit is from Electronics Now magazine, February 1997.
Similar to other circuits found in this section, this circuit is from a 1996 Electronics World;...
This circuit is an improvement of the previous one, with the use of two transistors produces a...
This small receiver for the medium wave range was found in a Japanese documentation from 1961. The...