Stability of sinusoidal responses of interpolative sigma delta modulators

Charlotte Yuk-Fan Ho and Bingo Wing-Kuen Ling

Chaos, Solitons & Fractals, 2007, vol. 32, issue 2, 480-486

Abstract: In this paper, stability of sinusoidal responses of interpolative sigma delta modulators (SDMs) is investigated. It is found that interpolative SDMs may switch from unstable to stable behaviors even though the magnitude or the frequency of the input sinusoidal signals increase. Hence, the input magnitude stability margin and the input frequency stability margin are redefined as the minimum input magnitude and the minimum input frequency of the input sinusoidal signals such that the output of the loop filter is bounded.

Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:32:y:2007:i:2:p:480-486

DOI: 10.1016/j.chaos.2006.06.074

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