This circuit is from a 1980s Motorola documentation. The circuit can be set to fire from 60 to 120 V DC or from 42 to 84 V AC. The circuit has a forehead button that activates an indicator lamp.
a We find this circuit which has a traditional configuration in a 1988 publication. The circuit is...
This circuit was found in ancient American documentation. Equivalent operational amplifiers can be...
This bistable circuit that drives a relay with a pushbutton was found in the March 1pp6 issue of...