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.
This circuit is designed to force a current greater than that of the fuse onto the transistor in...
This circuit was found in a General Electric documentation from 1966, It applies to any triac and...
The circuit shown in figure generates triangular signals in the range of 100 Hz to 500 kHz,...