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

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

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.

Suggested Citation

  • Shuhui Yang & Xiaoyun Yang & Ling Wang & Yinchao Chen & Guizhen Lu & Bin Li & Dongdong Zeng, 2019. "Tricyclic nested electromagnetic bandgap structure characterized with broad stopband bandwidth and deep noise suppression," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 33(9), pages 1197-1210, June.
    • Handle: RePEc:taf:tewaxx:v:33:y:2019:i:9:p:1197-1210
    DOI: 10.1080/09205071.2019.1605940
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