Reduced complexity MASH delta-sigma modulator

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Reduced complexity MASH delta-sigma modulator

Ye, Zhipeng; Kennedy, Michael Peter
Date: 2007-08
Copyright: ©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.
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.
Published Version: 10.1109/TCSII.2007.89040

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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