This circuit was obtained from an American technical manual from the 80's. The integrated circuit is an operational of the time that can be replaced by a modern equivalent.
This circuit for audio applications was found in an English magazine from the 80's. The circuit...
July 2017 - Ricoh's new 200mA R1524x voltage regulators are available from Mouser Electronics with...
This 80's circuitry decodes stereo signals used in analog TV at the time. The circuit can be used...