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EMI reduction by resonant clock distribution networks
Linköping University, Department of Electrical Engineering, Electronic Devices. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Electronic Devices. Linköping University, The Institute of Technology.
2010 (English)In: Proceedings of IEEE International Symposium on Circuits and Systems (ISCAS), Paris, France, IEEE , 2010, 977-980 p.Conference paper, Published paper (Refereed)
Abstract [en]

In today's automotive vehicles, electromagnetic interference (EMI) from electronic circuits has become a serious concern. The discussion in this paper proves that a clock signal generated by a resonant clock distribution network exhibits better EMI performance compared to that of a conventional buffer-driven clock network. This discussion is supported by analyzing different clock spectrums and using a simple model of simultaneous switching noise (SSN). According to simulation results presented in a 90-nm CMOS process, using a sinusoidal clock instead of a trapezoidal one, the magnitude of the first tone in the spectrum of SSN is reduced at least by 6.7 dB.

Place, publisher, year, edition, pages
IEEE , 2010. 977-980 p.
Keyword [en]
CMOS digital integrated circuits, automotive electronics, buffer circuits, clock distribution networks, clocks, electromagnetic interference, interference suppression, spectral analysis
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-59560DOI: 10.1109/ISCAS.2010.5537380ISBN: 978-1-4244-5308-5 (print)OAI: oai:DiVA.org:liu-59560DiVA: diva2:352496
Available from: 2010-09-21 Created: 2010-09-21 Last updated: 2010-10-01

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Mesgarzadeh, BehzadAlvandpour, Atila

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