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.
The circuit shown in the figure consists of a phase shift oscillator and its components have been...
This amplified speaker is from a Radio Electronics from September 1988. The power integrated...
Texas Instruments UCC21225A is available from Mouser Electronics. It is an isolated gate driver...