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dc.contributor.authorZhu, Y.en
dc.contributor.authorAl-Sarawi, S.en
dc.contributor.authorLiebelt, M.en
dc.identifier.citationSmart structures, devices, and systems : 16-18 December 2002, Melbourne, Australia / Erol C. Harvey, Derek Abbott, Vijay K. Varadan (eds.) : pp. 197-204en
dc.description© 2003 COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.en
dc.description.abstractIn wideband surveillance and digital radio systems, there is a need to sweep the centre fequency of the data converter to detect a broadcast i nthe band of interest. Hence there is a need to design data converters with variable centre frequencies. Sigma-Delta modulators with programmable center frequency are chosen for this purpose. In this paper new resonators for a variable centre frequency bandpass Sigma-Delta modulator are presented. The new resonators have a centre frequency that extends from very low frequency up to half the sampling frequency. Simulation results of a fourth order discrete-time bandpass modulator employing the new resonator are presented using MATLAB and SPICE.en
dc.description.statementofresponsibilityYingbo Zhu, Said F. Al-Sarawi, and Michael Liebelten
dc.relation.ispartofseriesProceedings of SPIE--the International Society for Optical Engineering ; 4935.en
dc.titleVariable centre frequency bandpass sigma-delta modulatoren
dc.typeConference paperen
dc.contributor.conferenceInternational Symposium on Smart Materials, Nano- and Micro-Smart Systems (2002 : Melbourne, Australia)en
pubs.library.collectionElectrical and Electronic Engineering publicationsen
dc.identifier.orcidAl-Sarawi, S. [0000-0002-3242-8197]en
dc.identifier.orcidLiebelt, M. [0000-0001-6610-2876]en
Appears in Collections:Environment Institute publications
Electrical and Electronic Engineering publications

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