We found this circuit in the May 1972 issue of Radio Electronics magazine. Its purpose is to teach logic using integrated circuits of the TTL family. The 5 V power supply is included.
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...