This receiver circuit was found in a Hands On Electronics from the 90s. The circuit uses a PLL 561B that is not a common component today.
This project was found in a 1982 documentation. Super-regenerative receivers can combine great...
This circuit can be used as a direct optical link or by optical fibers. We found it in a...
The purpose of this circuit is to alternately activate a two-tone horn with low sound and a horn...