Common-mode rejection in a connected array of dipoles with inherent frequency selectivity properties

Conference Paper (2012)
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DOI related publication
https://doi.org/10.1109/EuCAP.2012.6206200
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Publication Year
2012
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Pages (from-to)
3245-3249

Abstract

In this work we describe an effective strategy for the avoidance of common-mode resonances excited in a printed array of loaded dipoles with inherent filtering properties (filtenna). Previous works demonstrated that, for E-plane scanning, such resonances occur due to the unbalanced excitation of the dipoles. The present approach is based on the use of an X-band hybrid-ring connected to the filtenna structure. A design with operational bandwidth spanning from 8.5 to 10.5 GHz is presented and validated with simulations.

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