This site uses third-party website tracking technologies to provide and continually improve our services, and to display advertisements according to users' interests. I agree and may revoke or change my consent at any time with effect for the future.
EXflR
Precision Tone Decoder
GENERAL DESCRIPTION The XR-567A provides all the necessary circuitry for constructing a variety of tone detectors and frequency decoders. Phase-locked loop circuit techn