This circuit was found in the January 1989 issue of Radio Electronics magazine. The circuit sends audio signals by modulating a low-frequency carrier through the power grid.
Found in Popular Electronics from the 90's, this circuit uses common components and can be easily...
This small short-range FM transmitter was found in a 1987 documentation. It is intended for the...
This circuit is connected to the inputs X and Y of an oscilloscope to display the characteristic curve of a...