Leaky Quantization Noise Reduction for Cascaded Sigma-Delta Modulators using H-infinity Control

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Title:	Leaky Quantization Noise Reduction for Cascaded Sigma-Delta Modulators using H-infinity Control
Authors:	Lin, Chun-chen;Chou, Yung-shan;Chen, Hsin-liang;Chiang, Jen-shiun
Contributors:	淡江大學電機工程學系
Date:	2010-08
Issue Date:	2011-10-23 21:19:36 (UTC+8)
Publisher:	IEEE
Abstract:	In this paper, a digital calibration method based on the H-infinity control approach is proposed for reducing the impact of the leakage of unshaped quantization noise from the first stage of the cascaded SDM due to the imperfect analog circuit. Simulation results show that the modulator with the proposed filter has the better signal-to-noise ratio performance than the conventional counterpart.
Relation:	Circuits and Systems (MWSCAS), 2010 53rd IEEE International Midwest Symposium on, pp.392-395
DOI:	10.1109/MWSCAS.2010.5548871
Appears in Collections:	[Graduate Institute & Department of Electrical Engineering] Proceeding

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