On the characterization of limit cycle modes in oversampled data converters

S.F. Ouzounov

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3 Citations (Scopus)

Abstract

This paper studies the appearance of periodic and quazi-periodic modes, denoted as limit cycles, in the operation of closed-loop oversampled data converters. It demonstrates that the properties of these limit cycles are largely determined by the parameterization of the system loop filter, the amplitudes and the frequencies of the applied input signals, and the applied sampling frequency. For the analysis, quantization in amplitude and quantization in time are seen as separate functions. The quantizer is represented with sampled describing functions and a quazi-linear time-variant model for the loop operation is introduced and illustrated with simulation examples.
Original languageEnglish
Title of host publicationProceeding of ISCAS 2010, 19-24 september, 2010, Paris, France
Pages1073-1076
Publication statusPublished - 2010
Event2010 IEEE International Symposium on Circuits and Systems (ISCAS 2010) - Paris, France
Duration: 30 May 20102 Jun 2010
http://www.iscas2010.org/

Conference

Conference2010 IEEE International Symposium on Circuits and Systems (ISCAS 2010)
Abbreviated titleISCAS 2010
CountryFrance
CityParis
Period30/05/102/06/10
Internet address

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  • Cite this

    Ouzounov, S. F. (2010). On the characterization of limit cycle modes in oversampled data converters. In Proceeding of ISCAS 2010, 19-24 september, 2010, Paris, France (pp. 1073-1076)