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Behavioral Methodology to Simulate Switched Current Sigma-Delta Modulator

Abstract : In this paper we present a method for the modeling of Sigma-Delta modulators using switched current technique for implementation. The purpose of this work is to allow behavioral study of modulators, taking account the main problem of this technique which is charge injection in MOS switches. The idea consists of a mathematical modeling of charge injection phenomena implemented on MATLAB software to analyze the distortion on modulator output spectrum. simulation results using the proposed model are presented, it shows the efficiency of the model used and permits to analyze the effect of different levels of errors on the behaviors of Sigma-Delta modulator. Eventually a methodology to simulate switched current sigma delta modulator is presented
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Contributor : Dominique Dallet <>
Submitted on : Tuesday, February 22, 2011 - 4:02:42 PM
Last modification on : Thursday, June 11, 2020 - 5:04:05 PM


  • HAL Id : hal-00568085, version 1


Mourad Loulou, Nouri Masmoudi, Dominique Dallet, Lotfi Kamoun, Philippe Marchegay. Behavioral Methodology to Simulate Switched Current Sigma-Delta Modulator. MED 2001, Jun 2001, Dubrovnik, Croatia. pp.142-146. ⟨hal-00568085⟩



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