Compact wideband balun bandpass filter based on half‐mode corrugated slot

Abstract A design method of compact wideband balun bandpass filter (BPF) with high selectivity based on corrugated slot is proposed here. To realize wideband balun response in compact size, metal strips are deployed parallel to the half‐mode corrugated slot (HMCS). Besides, the coupling of corrugate...

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Autores principales:	Jiayuan Lu, Hao Chi Zhang, Cunyue Wei, Jianpeng Wang, Tie Jun Cui
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/eaec87a910164ede87766c546f139a7e
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spelling	oai:doaj.org-article:eaec87a910164ede87766c546f139a7e2021-11-05T05:26:52ZCompact wideband balun bandpass filter based on half‐mode corrugated slot1350-911X0013-519410.1049/ell2.12293https://doaj.org/article/eaec87a910164ede87766c546f139a7e2021-11-01T00:00:00Zhttps://doi.org/10.1049/ell2.12293https://doaj.org/toc/0013-5194https://doaj.org/toc/1350-911XAbstract A design method of compact wideband balun bandpass filter (BPF) with high selectivity based on corrugated slot is proposed here. To realize wideband balun response in compact size, metal strips are deployed parallel to the half‐mode corrugated slot (HMCS). Besides, the coupling of corrugated slot to the metal stripline provides the conversion of slot to microstrip structure at the balanced ports. By placing a pair of resonators at the balanced ports, a wideband balun BPF response with high selectivity can be realized. In addition, a U‐shaped resonator is also loaded at the end of the corrugated slot to suppress harmonics. Afterwards, a compact wideband balun BPF centred at 2.42 GHz with 3‐dB FBW of 45% is designed, fabricated, and measured. The effective size is 0.13λg × 0.39λg (λg is the guided wavelength of the centre frequency) and the measured results indicate that the magnitude imbalance is less than 0.45 dB and the phase imbalance is less than 4.8° within the operation frequency band.Jiayuan LuHao Chi ZhangCunyue WeiJianpeng WangTie Jun CuiWileyarticleElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENElectronics Letters, Vol 57, Iss 23, Pp 885-887 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Electrical engineering. Electronics. Nuclear engineering TK1-9971 Jiayuan Lu Hao Chi Zhang Cunyue Wei Jianpeng Wang Tie Jun Cui Compact wideband balun bandpass filter based on half‐mode corrugated slot
description	Abstract A design method of compact wideband balun bandpass filter (BPF) with high selectivity based on corrugated slot is proposed here. To realize wideband balun response in compact size, metal strips are deployed parallel to the half‐mode corrugated slot (HMCS). Besides, the coupling of corrugated slot to the metal stripline provides the conversion of slot to microstrip structure at the balanced ports. By placing a pair of resonators at the balanced ports, a wideband balun BPF response with high selectivity can be realized. In addition, a U‐shaped resonator is also loaded at the end of the corrugated slot to suppress harmonics. Afterwards, a compact wideband balun BPF centred at 2.42 GHz with 3‐dB FBW of 45% is designed, fabricated, and measured. The effective size is 0.13λg × 0.39λg (λg is the guided wavelength of the centre frequency) and the measured results indicate that the magnitude imbalance is less than 0.45 dB and the phase imbalance is less than 4.8° within the operation frequency band.
format	article
author	Jiayuan Lu Hao Chi Zhang Cunyue Wei Jianpeng Wang Tie Jun Cui
author_facet	Jiayuan Lu Hao Chi Zhang Cunyue Wei Jianpeng Wang Tie Jun Cui
author_sort	Jiayuan Lu
title	Compact wideband balun bandpass filter based on half‐mode corrugated slot
title_short	Compact wideband balun bandpass filter based on half‐mode corrugated slot
title_full	Compact wideband balun bandpass filter based on half‐mode corrugated slot
title_fullStr	Compact wideband balun bandpass filter based on half‐mode corrugated slot
title_full_unstemmed	Compact wideband balun bandpass filter based on half‐mode corrugated slot
title_sort	compact wideband balun bandpass filter based on half‐mode corrugated slot
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/eaec87a910164ede87766c546f139a7e
work_keys_str_mv	AT jiayuanlu compactwidebandbalunbandpassfilterbasedonhalfmodecorrugatedslot AT haochizhang compactwidebandbalunbandpassfilterbasedonhalfmodecorrugatedslot AT cunyuewei compactwidebandbalunbandpassfilterbasedonhalfmodecorrugatedslot AT jianpengwang compactwidebandbalunbandpassfilterbasedonhalfmodecorrugatedslot AT tiejuncui compactwidebandbalunbandpassfilterbasedonhalfmodecorrugatedslot
_version_	1718444504174821376

Compact wideband balun bandpass filter based on half‐mode corrugated slot

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