This circuit was found in Radio Electronics magazine from October 1964. The circuit uses period components but can be implemented with equivalent modern components.
This circuit was found in the March 1990 issue of Radio Electronics magazine. The circuit can be...
This 4-transistor timer was found in the April 1975 issue of Radio Electronics magazine. It uses...
This circuit was found in Mullard's transistor application manual from 1960. The circuit can be...