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Noise suppression in ultra wide band (UWB) applications using alternating impedance electromagnetic bandgap (AI-EBG) structures

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3 Author(s)
Jinwoo Choi ; Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA, USA ; V. Govind ; M. Swaminathan

In this paper, we propose a novel hybrid alternating impedance electromagnetic bandgap (AI-EBG) structure for noise suppression in ultra wide band (UWB) applications (from 3.1 GHz to 10.6 GHz). In UWB technology, since the maximum signal power is limited to a very low level (-41.3 dBm) by Federal Communications Commission (FCC), any noise from digital circuits could destroy RF circuits and cause system failure. Hence, noise suppression is a major bottleneck for UWB technology since very high isolation is required for UWB frequency range. For the first time, a novel hybrid AI-EBG structure has been designed, simulated, fabricated, and measured for UWB isolation requirement. This novel hybrid AI-EBG structure shows very good isolation over UWB frequency range

Published in:

European Radar Conference, 2005. EURAD 2005.

Date of Conference:

6-7 Oct. 2005