This circuit cuts the audio for a few seconds between words, which allows ads to be detected, since this does not occur in music. The circuit is a from Radio Electronics Experimenter from 1989.
In the figure we have a way of using a solar cell as a source for circuits with tunnel diodes. The solar...
This equalizer was found in the May 1978 issue of Radio Electronics magazine. The component values...
This circuit for high-impedance magnetic headphones was suggested as an experimental amplifier for hearing...