This circuit was found in a 1977 documentation. It limits the voltage from a source using zener diodes on the rectifier bridge. It is an unusual configuration today.
Binary Indicator (CB6700E) This circuit was obtained from old documentation but can be used as a...
This circuit uses two sensors that are placed at the intersection of a miniature railroad, causing the LED...
This delay circuit for a sound system was found in the December 1990 Radio Electronics magazine as part...