This circuit was found in a Popular Electronics from the 90's. The circuit can be used to convert signals to frequencies up to 25 MHz.
We found this circuit in the October 1990 issue of Radio Electronics magazine. The frequency can...
January 2017 - Mouser Electronics is announcing the availability of the new OptoMOS® CPC1010N...
We found this circuit in an 80's Radio Electronics. The circuit uses a PTC sensor and an LED...