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Slow Wave Substrate-Integrated Waveguide With Miniaturized Dimensions and Broadened Bandwidth.

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Title: Slow Wave Substrate-Integrated Waveguide With Miniaturized Dimensions and Broadened Bandwidth.
Authors: Zhang, Yin1 iszhangyin@163.com, Deng, Jing-Ya1 jydeng@xidian.edu.cn, Sun, Dongquan1, Yin, Jia-Yuan1, Guo, Li-Xin1, Ma, Xiao-Hua2, Hao, Yue2
Source: IEEE Transactions on Microwave Theory & Techniques. Aug2021, Vol. 69 Issue 8, p3675-3683. 9p.
Subjects: Adobe Flash (Computer software), Bandwidths, Phase velocity, Permeability, Coplanar waveguides, Permittivity, Waveguides, Electric capacity
Abstract: A novel slow wave (SW) substrate-integrated waveguide (SIW) with enhanced SW factor (SWF) and broadened bandwidth is proposed by simultaneously increasing the effective permeability and permittivity. The effective permittivity is increased by the enhanced capacitance between the top plane of the waveguide and the loaded patches which are shorted to the SIW bottom plane by the blind via-holes. The effective permeability is increased by lengthening the current path by adding patches on the blind via-holes. The proposed SW-SIW with simultaneous increased effective permeability and permittivity has two obvious advantages over the reported SW-SIW with only effective permeability or permittivity increased: 1) smaller longitudinal and lateral dimensions resulted from higher SWF and lower cutoff frequency, respectively, and 2) wider bandwidth due to stable wave impedance along the periodical SW structure. The lateral dimension of the proposed SW-SIW is decreased by 53% compared with the normal SIW with the same cutoff frequency. The phase velocity is decreased by 73%, which means the longitudinal length is reduced by 73% consequently. The operation band is 7.0–18.8 GHz (91.5% fractional bandwidth) covering X- and Ku-bands. A prototype of the proposed SW-SIW is manufactured and measured, and the measured results agree well with the simulations. [ABSTRACT FROM AUTHOR]
Copyright of IEEE Transactions on Microwave Theory & Techniques is the property of IEEE 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: 153128242
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
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  Data: Slow Wave Substrate-Integrated Waveguide With Miniaturized Dimensions and Broadened Bandwidth.
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Yin%22">Zhang, Yin</searchLink><relatesTo>1</relatesTo><i> iszhangyin@163.com</i><br /><searchLink fieldCode="AR" term="%22Deng%2C+Jing-Ya%22">Deng, Jing-Ya</searchLink><relatesTo>1</relatesTo><i> jydeng@xidian.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Sun%2C+Dongquan%22">Sun, Dongquan</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Yin%2C+Jia-Yuan%22">Yin, Jia-Yuan</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Guo%2C+Li-Xin%22">Guo, Li-Xin</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ma%2C+Xiao-Hua%22">Ma, Xiao-Hua</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Hao%2C+Yue%22">Hao, Yue</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22IEEE+Transactions+on+Microwave+Theory+%26+Techniques%22">IEEE Transactions on Microwave Theory & Techniques</searchLink>. Aug2021, Vol. 69 Issue 8, p3675-3683. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Adobe+Flash+%28Computer+software%29%22">Adobe Flash (Computer software)</searchLink><br /><searchLink fieldCode="DE" term="%22Bandwidths%22">Bandwidths</searchLink><br /><searchLink fieldCode="DE" term="%22Phase+velocity%22">Phase velocity</searchLink><br /><searchLink fieldCode="DE" term="%22Permeability%22">Permeability</searchLink><br /><searchLink fieldCode="DE" term="%22Coplanar+waveguides%22">Coplanar waveguides</searchLink><br /><searchLink fieldCode="DE" term="%22Permittivity%22">Permittivity</searchLink><br /><searchLink fieldCode="DE" term="%22Waveguides%22">Waveguides</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+capacity%22">Electric capacity</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A novel slow wave (SW) substrate-integrated waveguide (SIW) with enhanced SW factor (SWF) and broadened bandwidth is proposed by simultaneously increasing the effective permeability and permittivity. The effective permittivity is increased by the enhanced capacitance between the top plane of the waveguide and the loaded patches which are shorted to the SIW bottom plane by the blind via-holes. The effective permeability is increased by lengthening the current path by adding patches on the blind via-holes. The proposed SW-SIW with simultaneous increased effective permeability and permittivity has two obvious advantages over the reported SW-SIW with only effective permeability or permittivity increased: 1) smaller longitudinal and lateral dimensions resulted from higher SWF and lower cutoff frequency, respectively, and 2) wider bandwidth due to stable wave impedance along the periodical SW structure. The lateral dimension of the proposed SW-SIW is decreased by 53% compared with the normal SIW with the same cutoff frequency. The phase velocity is decreased by 73%, which means the longitudinal length is reduced by 73% consequently. The operation band is 7.0–18.8 GHz (91.5% fractional bandwidth) covering X- and Ku-bands. A prototype of the proposed SW-SIW is manufactured and measured, and the measured results agree well with the simulations. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of IEEE Transactions on Microwave Theory & Techniques is the property of IEEE 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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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1109/TMTT.2021.3074170
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 9
        StartPage: 3675
    Subjects:
      – SubjectFull: Adobe Flash (Computer software)
        Type: general
      – SubjectFull: Bandwidths
        Type: general
      – SubjectFull: Phase velocity
        Type: general
      – SubjectFull: Permeability
        Type: general
      – SubjectFull: Coplanar waveguides
        Type: general
      – SubjectFull: Permittivity
        Type: general
      – SubjectFull: Waveguides
        Type: general
      – SubjectFull: Electric capacity
        Type: general
    Titles:
      – TitleFull: Slow Wave Substrate-Integrated Waveguide With Miniaturized Dimensions and Broadened Bandwidth.
        Type: main
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          Name:
            NameFull: Zhang, Yin
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            NameFull: Deng, Jing-Ya
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            NameFull: Sun, Dongquan
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            NameFull: Yin, Jia-Yuan
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            NameFull: Guo, Li-Xin
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            – D: 01
              M: 08
              Text: Aug2021
              Type: published
              Y: 2021
          Identifiers:
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              Value: 00189480
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              Value: 69
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              Value: 8
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            – TitleFull: IEEE Transactions on Microwave Theory & Techniques
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