Compact linear‐phase bandpass filters with notched frequency response employing eighth‐mode substrate integrated waveguide and dual‐mode microstrip line structure
Hang Yang,
Xiang Wang,
Xian‐Long Yang
et al.
Abstract:A series of fourth‐order bandpass filters (BPFs) with compact footprints, broad bandwidth, high selectivity, linear phase and notched response are proposed. The sketch of these BPFs is in accordance with the combination of the eighth‐mode substrate integrated waveguide (EMSIW) and dual‐mode microstrip line (DMML) resonators. The DMML resonator is constructed by means of metallic via‐holes and pad in the double‐layered structures. Among them, the DMML resonator can provide two transmission poles. Besides, the c… Show more
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