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Alternating impedance electromagnetic bandgap structure for noise isolation in ultra-wideband

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1 Author(s)
Choi, J. ; Technol. Group, IBM Corp., Austin, TX, USA

A novel structure for noise isolation in ultra-wideband applications is designed, fabricated and measured. The structure is a hybrid alternating impedance electromagnetic bandgap (AI-EBG) structure and shows excellent noise isolation over 10 GHz. This cost-effective hybrid AI-EBG structure shows better noise isolation and suppression capability (over -80 dB isolation on average in an ultra-wide stopband range) than any reported EBG-based structures.

Published in:

Electronics Letters  (Volume:42 ,  Issue: 8 )