Design of Dual-Mode Substrate Integrated Waveguide Band-Pass Filters

  • Rhbanou A
  • Sabbane M
  • Bri S
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Abstract

Three dual-mode band-pass filters are presented in the present paper. The first filter is realized by dual-mode substrate integrated waveguide (SIW) cavity; the second is based on the integration of SIW cavity with electromagnetic band gap (EBG); and the third is based on the integration of SIW cavity with complementary split ring resonator (CSRR). The dual-mode SIW cavity is designed to have a fractional bandwidth of 4.95% at the midband frequency of 9.08 GHz; the proposed EBG-SIW resonator operates at 9.12 GHz with a bandwidth of 4.38% and the CSRR-SIW resonator operates at 8.66 GHz with a bandwidth of 2.54%. The proposed filters have the high Q-factors and generate a transmission zero in upper stopband, and these by the use of Rogers RT/duriod 5880 (tm).

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Rhbanou, A., Sabbane, M., & Bri, S. (2015). Design of Dual-Mode Substrate Integrated Waveguide Band-Pass Filters. Circuits and Systems, 06(12), 257–267. https://doi.org/10.4236/cs.2015.612026

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