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A novel electromagnetic bandgap design applied for suppression of printed circuit board electromagnetic radiation
Author(s) -
Zuo Panpan,
Li Yan,
Li ErPing,
Song Tao,
Wang Mengjun,
Zheng Hongxing
Publication year - 2020
Publication title -
international journal of rf and microwave computer‐aided engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.335
H-Index - 39
eISSN - 1099-047X
pISSN - 1096-4290
DOI - 10.1002/mmce.21990
Subject(s) - printed circuit board , electromagnetic interference , electromagnetic compatibility , electromagnetic field , electromagnetic radiation , conducted electromagnetic interference , cutoff frequency , near and far field , noise (video) , cutoff , electrical engineering , electronic engineering , physics , emi , engineering , optics , computer science , quantum mechanics , artificial intelligence , image (mathematics)
In this article, a novel electromagnetic bandgap structure is applied to a high‐speed printed circuit board, where the proposed concept is to etch with traditional L‐bridge and extended connecting branches on the power plane. To investigate the electromagnetic characteristics of the proposed structure, its transmission performance is determined including an equivalent circuit to numerically predict the lower cutoff frequency. A near field electromagnetic interference measurement is carried out compared to a reference board to investigate the simultaneous switching noise suppression ability.