In the figure we have a way of receiving ultrasonic signals of a single frequency using a PLL 567. The circuit is from Radio Electronics from November 1985.
This circuit is from the 1990 Philips Databook. The circuit can be supplied with voltages up to...
Another of the many anti-bounce circuits that we have in this section of our website. This one...
This circuit was found in documentation from the 90s. Its purpose is to dial a programmed number...