A quadrature data-dependent DEM algorithm to improve image rejection of a complex capital sigma Delta modulator

A dynamic element matching (DEM) algorithm is presented that is controlled by the quadrature output data of a complex sigma-delta modulator. This DEM technique is used to correct the gain and phase errors between the circuits in the in-phase and quadrature-phase feedback paths of the modulator. The...

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Veröffentlicht in:	IEEE journal of solid-state circuits 2001-12, Vol.36 (12), p.1879-1886
Hauptverfasser:	Breems, L J, Dijkmans, E C, Huijsing, J H
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Circuits Discrete element method Gain Modulators Phase error Rejection
Online-Zugang:	Volltext
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