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Progress In Electromagnetics Research Letters
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A NOVEL TRIPLE-BAND FILTER BASED ON TRIPLE-MODE SUBSTRATE INTEGRATED WAVEGUIDE

By H.-Y. Wang, G. H. Li, Y.-D. Wu, W. Yang, and T. Mou

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Abstract:
A novel triple-band filter using triple-mode substrate integrated waveguide (SIW) resonator is presented in this paper. The proposed resonator consists of a square cavity with two additional metallic vias that split the first pair of degenerate modes (TE201 and TE102) at the diagonal of the cavity. Triple-band response is achieved by TE101, TE201 and TE102. The center frequencies of the first band and the third band can be controlled by appropriately adjusting the location of perturbation vias, while the second band keeps almost unchanged. A two-pole triple-band filter with two transmission zeros utilizing the coupled triple mode cavity resonators is designed and fabricated. The measured results agree very well with the simulated ones.

Citation:
H.-Y. Wang, G. H. Li, Y.-D. Wu, W. Yang, and T. Mou, "A Novel Triple-Band Filter Based on Triple-Mode Substrate Integrated Waveguide," Progress In Electromagnetics Research Letters, Vol. 58, 59-65, 2016.
doi:10.2528/PIERL15102601

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