This circuit is from an Electronics World of 1967. The described calculations can be applied to equivalent circuits with modern transistors.
This simple latching alarm circuit using CMOS gates was found in the May 1990 Radio Electronics magazine....
This circuit serves as a reference for the components used and the time. The circuit is from 1967...
One of the two D-type Flip-Flops found in a 4013 can be used as a nonretriggerable monostable as...