Reduced complexity MASH delta-sigma modulator

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Date
2007-08
Authors
Ye, Zhipeng
Kennedy, Michael Peter
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IEEE
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Abstract
A reduced complexity digital multi-stage noise shaping (MASH) delta-sigma modulator for fractional-N frequency synthesizer applications is proposed. A long word is used for the first modulator in a MASH structure; the sequence length is maximized by setting the least significant bit of the input to 1; shorter words are used in subsequent stages. Experimental results confirm simulations
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Keywords
Digital delta-sigma modulators , Noise shaping , Multistage noise shaping , Sequence length
Citation
Ye, Z., Kennedy, M.P., 2007. Reduced Complexity Mash Delta-Sigma Modulator. IEEE Transactions On Circuits and Systems II - Express Briefs, 54(8), pp.725-729.
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©2007 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.