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- aggregation classification "A1".
- aggregation creator person.
- aggregation creator person.
- aggregation creator person.
- aggregation creator person.
- aggregation date "2013".
- aggregation format "application/pdf".
- aggregation hasFormat 4170389.bibtex.
- aggregation hasFormat 4170389.csv.
- aggregation hasFormat 4170389.dc.
- aggregation hasFormat 4170389.didl.
- aggregation hasFormat 4170389.doc.
- aggregation hasFormat 4170389.json.
- aggregation hasFormat 4170389.mets.
- aggregation hasFormat 4170389.mods.
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- aggregation hasFormat 4170389.txt.
- aggregation hasFormat 4170389.xls.
- aggregation hasFormat 4170389.yaml.
- aggregation isPartOf urn:issn:1549-8328.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Technology and Engineering".
- aggregation title "A describing function study of saturated quantization and its application to the stability analysis of multi-bit sigma delta modulators".
- aggregation abstract "Just as their single-bit counterparts, multi-bit sigma delta modulators exhibit nonlinear behavior due to the presence of the quantizer in the loop. In the multi-bit case this is caused by the fact that any quantizer has a limited output range and hence gives an implicit saturation effect. Due to this, any multi-bit modulator is prone to modulator overloading. Unfortunately, until now, designers had to rely on extensive time-domain simulations to predict the overloading level, because there is no adequate analytical theory to model this effect. In this work, we have developed such an analytical theory based on multiple input describing function analysis. This way, we obtained expressions for the signal gain, the noise gain and the variance of the quantization noise. Here, both the case of DC as well as sinusoidal signals was considered. These results were used for the stability analysis of multi-bit Sigma Delta modulators, which allows to predict the overloading level. Code implementing the proposed expressions is available for download at http://cas1.elis.ugent. be/cas/en/download/".
- aggregation authorList BK423072.
- aggregation endPage "1752".
- aggregation issue "7".
- aggregation startPage "1740".
- aggregation volume "60".
- aggregation aggregates 4170443.
- aggregation aggregates 4170444.
- aggregation isDescribedBy 4170389.
- aggregation similarTo TCSI.2012.2230585.
- aggregation similarTo LU-4170389.