This circuit uses a CMOS integrated circuit as a basic element and can be combined with the previous circuits. The circuit is from a Radio Electronics from May 1990.
This circuit was found in General Electric documentation from 1964. It makes use of a PUT, called the...
We found this circuit for vocal effects in the September 1990 issue of Radio Electronics magazine. The...
This is the typical circuit of a local oscillator for a superheterodyne FM receiver. The circuit...