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what does comparator mean in english? Comparator In electronics, a comparator is a device that compares two voltages or currents and outputs a digital signal indicating which is larger. It has two analog input terminals and and one binary digital output. The output is ideally A comparator consists of a specialized high-gain differential amplifier.
1 1. COMPARATORS. 2  2. 3  The general principle of comparator is to indicate the differences in size between the standard and the work being measured by means of some pointer on a scale with sufficient magnification It thus does not measure the actual dimension but indicates how much it differs from the basic dimension. Basic operation 1. 2  The comparator is first adjusted to zero on its dial with a gauge block in position 2. 3  The work piece to be checked is then placed in position 3. 4  The comparator gives the difference in dimension in relation to the gauge block.