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A Generalized Data-Weighted Averaging Algorithm

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2 Author(s)
Neitola, M. ; Dept. of Electr. & Inf. Eng., Univ. of Oulu, Oulu, Finland ; Rahkonen, T.

This brief presents a definition to a general data-weighted averaging algorithm that realizes D/A converter (DAC) mismatch shaping transfer function of the form 1 ?? z - D. The mathematical background of the transfer function leads to an intuitive algorithm realized as a simple fixed-point simulation model that converges into a hardware-efficient realization. One potential target for the generalized algorithm would be applying existing spurious-tone suppression techniques for bandpass converters.

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Circuits and Systems II: Express Briefs, IEEE Transactions on  (Volume:57 ,  Issue: 2 )