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A rectangular waveguide band-stopfilter using electromagnetic crystals EMXT surface as the top and bottomwalls is presented in this letter. The EMXT surface has a band gap that canprevent electromagnetic wave from propagating along the waveguide. Dispersionproperties of the waveguide filter are analyzed using an approximatedlumped-element circuit model. A W-band prototype based on the proposedwaveguide filter is designed and characterized. The experimental results show arejection band centered at 97 GHz and a rejection level of 16 dB.

KEYWORDS

W-Band, Band-Stop Filter, Electromagnetic Crystal, Band-Gap, Waveguide

Cite this paper

Chen, T. , Zhang, H. and Xin, H. 2016 A W-Band Waveguide Band-Stop Filter Using Electromagnetic Crystal EMXT Surface. Circuits and Systems, 7, 4001-4008. doi: 10.4236-cs.2016.712331.





Autor: Te-Chuan Chen, Hualiang Zhang, Hao Xin

Fuente: http://www.scirp.org/



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