Suggested by an American publication, this circuit has 5 operating conditions indicated in the diagram. The circuit can be designed based on modern equivalent transistors.
This simple regenerative receiver for the medium wave range is from a 1956 Sylvania publication. Details...
Found in a Popular Electronics from 1992, this circuit was created to give effects to an...
This oscillator uses a small IF transformer taken from an old transistor radio. FET admits...