Copyright © 1999 Published by Elsevier Science B.V.
A parallel approach to direct analog-to-residue conversion
Received 27 January 1998;
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Abstract
A novel design of a direct analog-to-residue converter is presented in this paper. The design makes use of two successive approximation analog-to-digital (A/D) converters, a few modulo adders and a small look-up table. One of the digital-to-analog converters is modified to generate outputs which are weighted by a constant factor, and one of the comparators is replaced by a difference amplifier. The look-up table needed is a very small percentage of the entire chip area and is shown to be only 840 bytes for a 36-bit residue number system converter.
Author Keywords: Parallel processing; RNS; Analog-to-residue converter; Modulo adder






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