Output Filter Aware Optimization of the Noise Shaping Properties of {\Delta}{\Sigma} Modulators via Semi-Definite Programming

Autor:	Callegari, Sergio, Bizzarri, Federico
Rok vydání:	2013
Předmět:	Computer Science - Information Theory
Zdroj:	IEEE Transactions on Circuits and Systems - Part I, Regular Papers. Vol. 60, N. 9, pp 2352 - 2365, Sept. 2013
Druh dokumentu:	Working Paper
DOI:	10.1109/TCSI.2013.2239091
Popis:	The Noise Transfer Function (NTF) of {\Delta}{\Sigma} modulators is typically designed after the features of the input signal. We suggest that in many applications, and notably those involving D/D and D/A conversion or actuation, the NTF should instead be shaped after the properties of the output/reconstruction filter. To this aim, we propose a framework for optimal design based on the Kalman-Yakubovich-Popov (KYP) lemma and semi-definite programming. Some examples illustrate how in practical cases the proposed strategy can outperform more standard approaches. Comment: 14 pages, 18 figures, journal. Code accompanying the paper is available at http://pydsm.googlecode.com
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1302.3020 Zobrazit plný text záznamu View this record from Arxiv