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Analog to Digital Conversion. Comparator. If the analog input is between V X4 and V X5 , comparators X 1 through X 4 produce 1s and the remaining comparators produce 0s. Priority Encoder Example. E1=0 enables ouputs (A2, A1 and A0).
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If the analog input is between VX4 and VX5, comparators X1 through X4 produce 1s and the remaining comparators produce 0s.