This General Electric circuit was found in a 1964 documentation. The circuit triggers a relay when the sensor is activated. Trigger adjustment is done in a trimpot.
Found in American documentation from the 1980s, this circuit is a basic signal rejection filter...
This circuit is from a Radio Electronics magazine from February 1992. The circuit has the effect...
This "debouncer" was found in Popular Electronics, using TTL technology. For this reason, it can be...