TITLE:
Design of Dual-Mode Substrate Integrated Waveguide Band-Pass Filters
AUTHORS:
Ahmed Rhbanou, Mohamed Sabbane, Seddik Bri
KEYWORDS:
Substrate Integrated Waveguide, Electromagnetic Band Gap, Complementary Split Ring Resonators, SIW Cavity, Transition
JOURNAL NAME:
Circuits and Systems,
Vol.6 No.12,
December
4,
2015
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).