Vol. 5

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2008-12-17

Analysis and Suppression on Simultaneous Switching Noise Coupling Between Multi-Cavities for Multilayer Pcbs

By Chin-Sheng Chang, Mau-Phon Houng, Ding-Bing Lin, Kuo-Chiang Hung, and Ray-Fong Hong
Progress In Electromagnetics Research Letters, Vol. 5, 167-174, 2008
doi:10.2528/PIERL08112501

Abstract

In this letter, an easy concept to eliminate the simultaneous switching noise (SSN) in multilayer board is proposed. Use of the low impedance element provides a short path to lead noise to ground, called virtual shield. This method could effectively suppress the first mode of the parallel resonance, and the wider-band suppression could be obtained by array short via. It is also proved that the virtual shield concept has to be placed as the excited source at the same layer.

Citation


Chin-Sheng Chang, Mau-Phon Houng, Ding-Bing Lin, Kuo-Chiang Hung, and Ray-Fong Hong, "Analysis and Suppression on Simultaneous Switching Noise Coupling Between Multi-Cavities for Multilayer Pcbs," Progress In Electromagnetics Research Letters, Vol. 5, 167-174, 2008.
doi:10.2528/PIERL08112501
http://www.jpier.org/PIERL/pier.php?paper=08112501

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