Compact fully‐canonical dual‐band bandpass filter with independently controllable bandwidths

Abstract A compact four‐order fully‐canonical dual‐band bandpass filter (DBBPF) with independently controllable bandwidths is reported in this letter. The filter comprises of a pair of identical electrically end‐coupled dual‐mode open stub‐loaded resonators (OSLRs) and two different pairs of magneti...

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Autores principales:	Fan Zhang, Yang Gao, Yi Wang, Yi Zhang, Yuliang Dong, Jun Xu
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/847d2ed5ce294c08a7014da1ac064a1a
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spelling	oai:doaj.org-article:847d2ed5ce294c08a7014da1ac064a1a2021-11-16T10:18:22ZCompact fully‐canonical dual‐band bandpass filter with independently controllable bandwidths1350-911X0013-519410.1049/ell2.12027https://doaj.org/article/847d2ed5ce294c08a7014da1ac064a1a2021-01-01T00:00:00Zhttps://doi.org/10.1049/ell2.12027https://doaj.org/toc/0013-5194https://doaj.org/toc/1350-911XAbstract A compact four‐order fully‐canonical dual‐band bandpass filter (DBBPF) with independently controllable bandwidths is reported in this letter. The filter comprises of a pair of identical electrically end‐coupled dual‐mode open stub‐loaded resonators (OSLRs) and two different pairs of magnetically coupled λ/4 short‐circuit resonators (SCRs) that are embedded within the OSLRs for compactness. Specifically, the fundamental odd‐ and even‐mode of the OSLRs are coupled with the upper and lower pairs of λ/4 SCRs to generate the first and second passbands, respectively. In addition, the input and output ports feed the two OSLRs and provide a magnetic source‐load coupling for the filter. Owing to the special layout arrangement, the proposed filter can achieve compact size and fully‐canonical frequency response with independently controllable bandwidths, simultaneously. A four‐pole DBBPF protype centred at 2 and 3.5 GHz is designed and implemented. The measurements and the simulated ones are in good consistency.Fan ZhangYang GaoYi WangYi ZhangYuliang DongJun XuWileyarticleElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENElectronics Letters, Vol 57, Iss 1, Pp 24-26 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Electrical engineering. Electronics. Nuclear engineering TK1-9971 Fan Zhang Yang Gao Yi Wang Yi Zhang Yuliang Dong Jun Xu Compact fully‐canonical dual‐band bandpass filter with independently controllable bandwidths
description	Abstract A compact four‐order fully‐canonical dual‐band bandpass filter (DBBPF) with independently controllable bandwidths is reported in this letter. The filter comprises of a pair of identical electrically end‐coupled dual‐mode open stub‐loaded resonators (OSLRs) and two different pairs of magnetically coupled λ/4 short‐circuit resonators (SCRs) that are embedded within the OSLRs for compactness. Specifically, the fundamental odd‐ and even‐mode of the OSLRs are coupled with the upper and lower pairs of λ/4 SCRs to generate the first and second passbands, respectively. In addition, the input and output ports feed the two OSLRs and provide a magnetic source‐load coupling for the filter. Owing to the special layout arrangement, the proposed filter can achieve compact size and fully‐canonical frequency response with independently controllable bandwidths, simultaneously. A four‐pole DBBPF protype centred at 2 and 3.5 GHz is designed and implemented. The measurements and the simulated ones are in good consistency.
format	article
author	Fan Zhang Yang Gao Yi Wang Yi Zhang Yuliang Dong Jun Xu
author_facet	Fan Zhang Yang Gao Yi Wang Yi Zhang Yuliang Dong Jun Xu
author_sort	Fan Zhang
title	Compact fully‐canonical dual‐band bandpass filter with independently controllable bandwidths
title_short	Compact fully‐canonical dual‐band bandpass filter with independently controllable bandwidths
title_full	Compact fully‐canonical dual‐band bandpass filter with independently controllable bandwidths
title_fullStr	Compact fully‐canonical dual‐band bandpass filter with independently controllable bandwidths
title_full_unstemmed	Compact fully‐canonical dual‐band bandpass filter with independently controllable bandwidths
title_sort	compact fully‐canonical dual‐band bandpass filter with independently controllable bandwidths
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/847d2ed5ce294c08a7014da1ac064a1a
work_keys_str_mv	AT fanzhang compactfullycanonicaldualbandbandpassfilterwithindependentlycontrollablebandwidths AT yanggao compactfullycanonicaldualbandbandpassfilterwithindependentlycontrollablebandwidths AT yiwang compactfullycanonicaldualbandbandpassfilterwithindependentlycontrollablebandwidths AT yizhang compactfullycanonicaldualbandbandpassfilterwithindependentlycontrollablebandwidths AT yuliangdong compactfullycanonicaldualbandbandpassfilterwithindependentlycontrollablebandwidths AT junxu compactfullycanonicaldualbandbandpassfilterwithindependentlycontrollablebandwidths
_version_	1718426558827331584

Compact fully‐canonical dual‐band bandpass filter with independently controllable bandwidths

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