This circuit is from a Hughes documentation from 1968. The components are of the time and the RC network determines the operating frequency of the circuit.
This simple CMOS touch switch was obtained in a 1987 publication. All components are common and the...
The load controlled by this circuit depends on the triac used. The circuit is from Electronics Now magazine...
This didactic circuit from a 1977 Radio Shack documentation shows how to use the 741 as a...