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Wide-Passband Miniaturized Filter with Higher-Order Mode Suppression Using QMSIW and Microstrip Resonators.

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Title: Wide-Passband Miniaturized Filter with Higher-Order Mode Suppression Using QMSIW and Microstrip Resonators.
Authors: Wang, Jingyv1, Zeng, Haiyan1, Su, Mengling1, Chen, Xuan'an1, Huang, Lishan1, Ou, Jinming1, Yan, Xiaohei1 yanxiaohei@gxnun.edu.cn
Source: Progress in Electromagnetics Research C. 2026, Vol. 166, p52-56. 5p.
Subjects: Microstrip resonators, Substrate integrated waveguides, Transmission zeros, Resonators, Electric filters
Abstract: This paper presents a wide-passband, miniaturized filter based on quarter-mode substrate-integrated waveguide (QMSIW) resonant cavities and microstrip resonators. The filter employs two QMSIW resonant cavities, which effectively reduce its size. Moreover, the higher-order modes TE120, TE210, and TE220 cannot propagate within these cavities. The addition of two microstrip resonators at the coupling iris between the QMSIW cavities enables a fourth-order filter response using only two resonant cavities. High selectivity is achieved through cross-coupling, which introduces two transmission zeros (TZs). The filter was fabricated and measured, showing good agreement with the simulation results. Compared with other substrate-integrated waveguide (SIW) filters, the proposed filter offers advantages in compactness, passband bandwidth, and higher-order mode suppression. [ABSTRACT FROM AUTHOR]
Copyright of Progress in Electromagnetics Research C is the property of Electromagnetics Academy and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 192370905
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PubType: Academic Journal
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  Data: Wide-Passband Miniaturized Filter with Higher-Order Mode Suppression Using QMSIW and Microstrip Resonators.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Jingyv%22">Wang, Jingyv</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zeng%2C+Haiyan%22">Zeng, Haiyan</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Su%2C+Mengling%22">Su, Mengling</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Chen%2C+Xuan'an%22">Chen, Xuan'an</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Huang%2C+Lishan%22">Huang, Lishan</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ou%2C+Jinming%22">Ou, Jinming</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Yan%2C+Xiaohei%22">Yan, Xiaohei</searchLink><relatesTo>1</relatesTo><i> yanxiaohei@gxnun.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Progress+in+Electromagnetics+Research+C%22">Progress in Electromagnetics Research C</searchLink>. 2026, Vol. 166, p52-56. 5p.
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  Data: <searchLink fieldCode="DE" term="%22Microstrip+resonators%22">Microstrip resonators</searchLink><br /><searchLink fieldCode="DE" term="%22Substrate+integrated+waveguides%22">Substrate integrated waveguides</searchLink><br /><searchLink fieldCode="DE" term="%22Transmission+zeros%22">Transmission zeros</searchLink><br /><searchLink fieldCode="DE" term="%22Resonators%22">Resonators</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+filters%22">Electric filters</searchLink>
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  Label: Abstract
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  Data: This paper presents a wide-passband, miniaturized filter based on quarter-mode substrate-integrated waveguide (QMSIW) resonant cavities and microstrip resonators. The filter employs two QMSIW resonant cavities, which effectively reduce its size. Moreover, the higher-order modes TE120, TE210, and TE220 cannot propagate within these cavities. The addition of two microstrip resonators at the coupling iris between the QMSIW cavities enables a fourth-order filter response using only two resonant cavities. High selectivity is achieved through cross-coupling, which introduces two transmission zeros (TZs). The filter was fabricated and measured, showing good agreement with the simulation results. Compared with other substrate-integrated waveguide (SIW) filters, the proposed filter offers advantages in compactness, passband bandwidth, and higher-order mode suppression. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Progress in Electromagnetics Research C is the property of Electromagnetics Academy and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.2528/PIERC25110505
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        Text: English
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        PageCount: 5
        StartPage: 52
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      – SubjectFull: Microstrip resonators
        Type: general
      – SubjectFull: Substrate integrated waveguides
        Type: general
      – SubjectFull: Transmission zeros
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      – SubjectFull: Resonators
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      – SubjectFull: Electric filters
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            NameFull: Zeng, Haiyan
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            NameFull: Su, Mengling
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            NameFull: Chen, Xuan'an
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            NameFull: Huang, Lishan
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            – D: 01
              M: 04
              Text: 2026
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              Value: 166
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            – TitleFull: Progress in Electromagnetics Research C
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