This circuit was obtained in the 1990 Motorola Linear Databook. The circuit uses a 139 series comparator, but other series can be used. The power source need not be symmetric.
This variable duty cycle circuit was found in the December 1993 issue of Electronics Now magazine. The...
This solid-state relay circuit (SSR) or shield is from a 1995 Electronics Now. With it we can...
This configuration was found in Raytheon's circuit manual from the 1960s. The circuit has an...