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.
This sensitive multi-circuit and component prover uses two transistors and has a switch position where...
The LM117 (217 and 317) provides 1.2 A with output up to 25 V and is manufactured by several...
Found in a 1980s documentation, this amplifier uses an integrated circuit that is not easy to...