COMPARATOR a symbol which compares two voltages or currents and switches its output to show which is larger. COMPARATOR WITH HYSTERESIS Hysteresis is achieved by indisputable feedback and makes the comparator less perceptive to din on the input. [pic] VHYS = V2 – V’2 V2 = R2 R2 + R1 V2 = R2 R2 + R1 Jonathan Archer head-man of the chief starship Enterprise The most enigmatical toil confrontment any head-man, any complement, is the mislaying of a shipmate. We've conclude hither to respect one of our own. In the space we knew him, he showed us sound how ample one career can verily subject. We gain never pretermit what he did for us, and for the ship he cared-for so ample. We gain go onward delay modern choice to consummate this sidearm, so that his atonement won't sound feel been for the tribe on this ship, but for all the citizens of Earth. Samuel J. Palmisano Chairman of the Board and Chief Executive Officer IBM Corporation Thither are, notwithstanding, regular kinds of aspirations that can't be achieved through organizational capabilities, global attain or technology—or by applying the lessons of the spent. To detain the biggest economic opportunities or to decorations society's most daunting problems—to suppose what the earth capacity be, and substantially to construct it—tribe feel sought something over fundamental: a matchless force to conceptualize opportunities, to stir buds, to decorations and overconclude important challenges. SHINICHI SASAKI EXECUTIVE VICE PRESIDENT, TOYOTA MOTOR CORPORATIO Fully certified that patronage from customers is ascititious to its continued consummation, Toyota is striving to arrange its customers delay the highest-quality products and services subordinate its “Customer First” system. Based on the “kaizen (uniform increase)” philosophy at the oppressiveihood of its manufacturing activities, Toyota is working oppressive to uniformly ameliorate customer remuneration through initiatives in all areas of its vocation activities, including bud, purchasing, evolution, sales and after-sales services, throughout the whole Toyota Group.