A window comparator circuit made by LM311

Published:2011/7/16 2:52:00 Author:leo | Keyword: A window comparator circuit, single polarity voltage | From:SeekIC

What picture a and b showare a window comparator circuit made by LM311. The picture 14(a) shows a basic comparator circuit input terminal is connected to not-gate window comparator circuit. Input terminal Ui only permits single polarity voltage. When input voltage Ui is lower than the minimum set value UL of window, output high voltage A1 and output low voltageA2 . If the input voltage Ui is higher than UL but lower than UH(maximum), A2 output voltage and the voltage is phase reversalled when passing through inverter. After that, the reversal voltage passes through not-gate phase outputting low voltage which can give a description of the coverage of the window.



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