Tricyclic nested electromagnetic bandgap structure characterized with broad stopband bandwidth and deep noise suppression

Shuhui Yang, Xiaoyun Yang, Ling Wang, Yinchao Chen, Guizhen Lu, Bin Li and Dongdong Zeng

Journal of Electromagnetic Waves and Applications, 2019, vol. 33, issue 9, 1197-1210

Abstract: A novel tricyclic nested electromagnetic bandgap (TN-EBG) structure has been proposed to restrain the simultaneous switching noise (SSN) in high-speed digital systems. The presented TN-EBG structure was fabricated and measured based on the simulated performance of the configuration. It is found that the measured S-parameters are in good agreement with the simulated ones. Also, it is observed that an ultra-wide bandgap has been achieved, which almost ranges from 1 to 27 GHz with the noise suppression at −50 dB. Especially for the stopband width spanning from 1.1 to 21.6 GHz, the suppression depth level reaches up to−60 dB. The derived electric field distribution images have clearly exhibited the operation mechanism of the TN-EBG structure for SSN mitigation within the different frequency regions.

Date: 2019
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DOI: 10.1080/09205071.2019.1605940

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