This circuit was obtained in a 90s Popular Electronics. It is used for tuning on AM radios. The field effect transistors used support equivalents.
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...