NASA NTRS · 19910056445
Multibit sigma-delta modulator with reduced sensitivity to DAC nonlinearity
Abstract
A new architecture is presented for a multibit oversampled Sigma-Delta A/D convertor. A novel feedback arrangement is employed to reduce the sensitivity of the overall resolution to the nonlinearity of the multibit DAC. Simulations confirm the improved performance achieved by the proposed structure.
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Hairapetian, A., Zhang, Z. X., Temes, G. C.. 1991-05-23. Multibit sigma-delta modulator with reduced sensitivity to DAC nonlinearity. https://ntrs.nasa.gov/citations/19910056445
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