We found this circuit in the September 1994 issue of Electronics Now magazine. The circuit uses off-the-shelf components and is powered by mains power.
This circuit measures the modulation of a 11-meter transmitter, having been found in a 1989...
This circuit was found in the July 1988 issue of Radio Electronics magazine. It makes use of an...
This classic windscreen wiper interval setup was found in American documentation from the 90s. The...