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Type: Conference paper
Title: Fourth-order discrete-time variable centre frequency bandpass sigma-delta modulator
Author: Zhu, Y.
Al-Sarawi, S.
Lim, C.
Liebelt, M.
Citation: Proceedings of APCCAS: Circuits and Systems, 4-7 December, 2006: pp.820-823
Publisher: IEEE
Publisher Place: CDROM
Issue Date: 2006
ISBN: 1424403871
Conference Name: IEEE Asia Pacific Conference on Circuits and Systems (2006 : Singapore)
Statement of
Y. Zhu, S.F. Al-Sarawi, C. C. Lim, and M.J. Liebelt
Abstract: A design for a variable centre frequency bandpass sigma-delta modulator is presented. The modulator is based on a tunable discrete-time resonator using only one control parameter. The noise transfer function of the modulator is controlled by a 4-bit digital signal, which provides nine different centre frequencies distributed between 0.1-0.4 normalized frequencies. The measurement results show a stable modulator at all centre frequencies
Description: Copyright © 2006 IEEE
RMID: 0020062960
DOI: 10.1109/APCCAS.2006.342147
Appears in Collections:Environment Institute publications
Electrical and Electronic Engineering publications

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