Found in a Popular Electronics from the 90's, this circuit is used to recognize the frequency of a modulated infrared signal. The LM567 circuit must not be supplied with voltages above 9 V.
September 2017 - Amphenol PcD's Solaris Connector series is available from Mouser Electronics. In...
We found this circuit in a 90s Popular Electronics. The circuit can be implemented with modern...
This physical line servo control uses components that are not currently common. The circuit is from...