The purpose of this circuit is to indicate which of the two cars crosses the finish line first on a slot car lane. The circuit is from an 80's Popular Electronics.
This basic voltage comparator circuit has a reference voltage given by a zener diode. The input...
What is the voltage of a zener diode recently removed from the scrap box and without any markings? If...
This low frequency signal converter was found in the July 1983 issue of Radio Electronics...