A comparator with a OPEN-EMITTER output is used here.This package has been designed with Tube .The comparator has 14 terminals.The component belongs to the Comparator family of electrical components.In the presence of a 6V voltage, the comparator is capable of accomplishing a variety of demanding tasks.The device is equipped with 14 pins.Comparator electronics consists essentially of a high gain COMPARATOR amplifier.The part should not be applied to locations where the ambient temperature exceeds 85°C °C.There is a limitation to the accuracy of this part in colder regions than -30°C .