Archivio Istituzionale della RicercaThis paper proposes a spread-spectrum clock generator which is meant to respect EMC norm compliance from standard regulations. This is obtained through a frequency modulation driven by a chaotic signal, i.e. through the injection of a chaos-based jitter, so to avoid strict periodicity in the clock and thus high peaks in its power spectral density. The circuit has been designed in 0.35μm technology; measurements from prototypes show EMC improvement of approximately 18dB with respect to the reference case.
Chaos-based high-EMC spread-spectrum clock generator / De Michele, L. A.; Pareschi, F.; Rovatti, R.; Setti, G.. - STAMPA. - 1:(2005), pp. 165-168. (Intervento presentato al convegno 2005 European Conference on Circuit Theory and Design tenutosi a Cork, irl nel August 29 - September 2, 2005) [10.1109/ECCTD.2005.1522936].
Chaos-based high-EMC spread-spectrum clock generator
Pareschi F.;Setti G.
2005
Abstract
This paper proposes a spread-spectrum clock generator which is meant to respect EMC norm compliance from standard regulations. This is obtained through a frequency modulation driven by a chaotic signal, i.e. through the injection of a chaos-based jitter, so to avoid strict periodicity in the clock and thus high peaks in its power spectral density. The circuit has been designed in 0.35μm technology; measurements from prototypes show EMC improvement of approximately 18dB with respect to the reference case.
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https://hdl.handle.net/11583/2850183