1979
DOI: 10.1109/isscc.1979.1155979
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Abstract: IN HIGH-SPEED A/D converters the all-parallel conversion mcthodgives the best speed performance and signal sampling can be donc digitally by latching comparators. The penalty for the all parallel operation is the increased circuit complexity. A 7-bit converter for example, needs 127 comparators, which consume substantial power and require a large chip area. A good compromise between speed, power consumption and circuit complcxity is found with the two-step parallel conversion technique illustrated in Figure 1…

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