A new class of selectivity-improved mm-waves dual-mode substrate integrated waveguide filters


A novel method for implementing high selectivity millimeter-wave (mm-wave) bandpass filters is presented in this paper. A substrate integrated waveguide (SIW) dual-mode circular cavity with a small perturbation is proposed to adjust a transmission zero (TZ) for improving the selectivity by properly changing the location of an additional via-hole placed… (More)


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