Multi-stage noise band cancellation ΣΔ modulator for digitisation of distorted signals

D. K.G. Pham; P. Desgreys; P. Loumeau; T. Ridgers

doi:10.1049/el.2012.0533

Multi-stage noise band cancellation ΣΔ modulator for digitisation of distorted signals

D. K.G. Pham
, P. Desgreys
, P. Loumeau
, T. Ridgers

CNRS LTCI
NXP Semiconductors

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

7 Citations (Scopus)

Résumé

A new sigma-delta modulator (ΣΔM) architecture is proposed to digitise wideband distorted signals. It combines frequency band decomposition with bandpass (BP) ΣΔ converters and cascaded architectures. The novelties are the use of the residual signal transfer function at the output of the first summing node in a classical BP ΣΔ that is an almost free signal shaping in the ΣΔM and the digitisation of the shaped noise in order to cancel it out in a particular band.

langue originale	Anglais
Pages (de - à)	560-562
Nombre de pages	3
journal	Electronics Letters
Volume	48
Numéro de publication	10
Les DOIs	https://doi.org/10.1049/el.2012.0533
état	Publié - 10 mai 2012
Modification externe	Oui

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10.1049/el.2012.0533

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title = "Multi-stage noise band cancellation ΣΔ modulator for digitisation of distorted signals",

abstract = "A new sigma-delta modulator (ΣΔM) architecture is proposed to digitise wideband distorted signals. It combines frequency band decomposition with bandpass (BP) ΣΔ converters and cascaded architectures. The novelties are the use of the residual signal transfer function at the output of the first summing node in a classical BP ΣΔ that is an almost free signal shaping in the ΣΔM and the digitisation of the shaped noise in order to cancel it out in a particular band.",

author = "Pham, \{D. K.G.\} and P. Desgreys and P. Loumeau and T. Ridgers",

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AU - Pham, D. K.G.

AU - Desgreys, P.

AU - Loumeau, P.

AU - Ridgers, T.

PY - 2012/5/10

Y1 - 2012/5/10

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AB - A new sigma-delta modulator (ΣΔM) architecture is proposed to digitise wideband distorted signals. It combines frequency band decomposition with bandpass (BP) ΣΔ converters and cascaded architectures. The novelties are the use of the residual signal transfer function at the output of the first summing node in a classical BP ΣΔ that is an almost free signal shaping in the ΣΔM and the digitisation of the shaped noise in order to cancel it out in a particular band.

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DO - 10.1049/el.2012.0533

M3 - Article

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VL - 48

SP - 560

EP - 562

JO - Electronics Letters

JF - Electronics Letters

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Multi-stage noise band cancellation ΣΔ modulator for digitisation of distorted signals

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