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.
This circuit was found in Raytheon's 1967 documentation. The circuit uses an operating of the era,...
This small two-transistor amplifier was found in the April 1994 issue of Electronics Now magazine. This...
This circuit is from the 1990 Motorola Linear Databook. The circuit can be applied to other...