This TV remote control receiver uses a ratchet system to activate an old drum-type selector to change channels. A common system at the time. The circuit is from a Radio Electronics from February 1961.
This circuit has a common configuration widely used in projects on this site. The transistor is...
Author: Newton C. Braga Published:Aug, 2016 Formato:Book and e-Book Pages:...
We find this circuit in an American publication of 1978. The integrated circuit is the CMOS 4013...