Application of fractional delay filters to tune the centre frequency location of single-band sigma-delta modulators

Al-Janabi, Mohammed and Kale, Izzet and Morling, Richard C.S. (1999) Application of fractional delay filters to tune the centre frequency location of single-band sigma-delta modulators. In: Proceedings of the 42nd Midwest Symposium on Circuits and Systems, vol 1, Las Cruces, New Mexico. IEEE, pp. 181-184. ISBN 0780354915

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Official URL: http://dx.doi.org/10.1109/MWSCAS.1999.867238

Abstract

This paper presents a novel technique for the design of narrow-band sigma-delta modulators with an embedded tunable centre frequency mechanism. This method demonstrates that the use of sum filters combined with a fractional delayer provide the flexibility of tuning the noise shaping band for any desired variable centre frequency input signal.

Item Type: Book Section
Subjects: University of Westminster > Science and Technology > Electronics and Computer Science, School of (No longer in use)
Depositing User: Miss Nina Watts
Date Deposited: 02 Feb 2012 15:58
Last Modified: 02 Feb 2012 15:58
URI: http://westminsterresearch.wmin.ac.uk/id/eprint/10288

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