This circuit of 1965 documentation makes use of a tunnel diode to retard a pulse without distortion. The components are from the era.
This LED indicator circuit uses an LM339 comparator. The circuit was found in the January 1995...
This version is one of many that can be found on our website. We found it in Radio Electronics from the...
Found in a 2005 Linear Technology application manual, this circuit provides outputs from a current...