This circuit was found in the January 1991 issue of Radio Electronics magazine. The circuit uses integrated circuits of the time and the coils depend on the tuned bands.
This aperiodic circuit was found in an old English documentation. The transistor can be any JFET...
This FM transmitter circuit was found in a Japanese publication in 1975. Equivalent transistors can be...
This circuit can oscillate at frequencies up to a few tens of megahertz depending on the crystal. The...