For signals up to about 500 kHz modulated in amplitude and transmitted by the power network, the figure shows the receiver. The circuit is from a Radio Electronics from February 1989.
This oscillator that operates at 80 kHz was found in the July 1993 issue of Electronics Now...
This circuit is from an Electronics Now, American magazine from December 1992. The magazine no...
This bistable touch sensitive must not be powered by a source without a transformer. The outputs can...