Simple architecture for subsampling LC-based ΣΔ modulators

Ahmed Ashry 1 Hassan Aboushady 1
1 CIAN - Circuits Intégrés Numériques et Analogiques
LIP6 - Laboratoire d'Informatique de Paris 6
Abstract : A simple architecture for subsampling LC-based continuous-time ΣΔ modulators is introduced. The concept of utilising loop delay to simplify the modulator architecture is generalised to subsampling modulators. Moreover, it is shown that is possible to remove the delay-compensation branch usually used in traditional designs. Removing the delay-compensation branch results in significant simplification of the modulator architecture, and eliminates several problems usually associated with the delay-compensation branch.
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https://hal.archives-ouvertes.fr/hal-00574526
Contributor : Ahmed Ashry <>
Submitted on : Tuesday, March 8, 2011 - 11:30:19 AM
Last modification on : Friday, May 24, 2019 - 5:26:16 PM

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Ahmed Ashry, Hassan Aboushady. Simple architecture for subsampling LC-based ΣΔ modulators. Electronics Letters, IET, 2010, 46 (18), pp.1263-1264. ⟨10.1049/el.2010.1567⟩. ⟨hal-00574526⟩

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