Design and development of circular filter using QSIW resonator

Nasri, Abdelkhalek; Chaieb, Tahar Ben; Zairi, Hassen

doi:10.1109/aset.2017.7983711

Cited by 2 publications

(1 citation statement)

References 13 publications

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“…So far, fundamental mode resonance characteristics of common SIWs are derived in detail for designing BPFs. 1 Compared with common SIW BPFs, 1/8 and 1/16 mode SIW BPFs can reduced the original sizes 87.5% and 93.75%, [2][3][4][5][6] respectively, which make dramatically progress in miniaturization, but unloaded quality factor Q of the fundamental mode in miniaturized SIW is not ideal. Hence, considering high Q and multi frequency selectivity, high-order modes have research value.…”

Section: Introductionmentioning

confidence: 99%

Mode selective bandpass filter with high selectivity based on thirty‐second‐mode circular SIW resonator

Zhang

She

Tong

et al. 2021

Micro & Optical Tech Letters

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In this paper, a thirty‐second‐mode circular substrate integrated waveguide resonator (TMCSIWR) is firstly investigated, which well retains the fundamental mode and high‐order modes (TM0n0 modes) in circular SIW resonator (CSIWR) for stable transmission. Considering miniaturization, high Q and multi frequency selection of TMCSIWR systematically, each TM0n0 mode in TMCSIWR can be effectively selected to achieve independent passband by adjusting feed position and coupling distance. Meanwhile, each TM0n0 mode and non‐resonant modes produce multiple transmission zeros by mode coupling. Furthermore, arc groove disturbance effectively adjust coupling to achieve high selectivity. Finally, a multi‐zero TM030 mode TMCSIW bandpass filter is designed and fabricated. The measured results are in good agreement with the simulated results.

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