| http://www.w3.org/ns/prov#value | - CI-2 large range of input variation [58] Field of Search 330/29, 30 D, 59, 69, 136; 325/404; 95/45; 250/201; 354/25 6 Claims 3 Drawing Figures PATENTEB SEP Y6 i975 SHEET 1 0f 2 FIG; v PATENTEB SEP 1 6 i975 sum 2 Of 2 FIG. 2 DIFFERENCE AMPLIFIER WITH GAIN CONTROLLED BY THE SUM OF THE INPUTS BACKGROUND OF INVENTION The invention relates to a comparator circuit, and more particularly to a comparator
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