This static switch circuit or solid-state contactor was found in a Motorola documentation from 1968. The circuit can control a 5 A load with the indicated transistor.
This circuit was obtained in an Electronics World of 1968. The operational amplifiers ones are...
This circuit trips by shorting the load to quickly blow the fuse when the voltage exceeds a...
This circuit, obtained from ancient English documentation, produces a pulse every 24 hours when a 50...