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Improved side-coupled three-line wideband bandpass filter.

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Title: Improved side-coupled three-line wideband bandpass filter.
Authors: Li, Li1 lili@uestc.edu.cn, Lin, Haodong2, Tian, Shu Lin1
Source: Microwave & Optical Technology Letters. Aug2017, Vol. 59 Issue 8, p2075-2078. 4p. 5 Diagrams, 3 Graphs.
Subjects: Broadband communication systems, Bandpass filters, Nanofabrication, Microstrip antennas, Thickness measurement
Abstract: This letter presents an improved side-coupled three-line filter, which is loaded by two short-ended microstrip stubs. The mechanism of improved filter is that the order of original three-line filter is increased from third order to fifth order. As a result, the fractional reflection bandwidth below −10 dB of improved filter is raised from 75% to 98%, and its selectivity (skirt factor) is enhanced from 64% to 75%. The proposed filter has been fabricated and verified on the substrate of 0.508 mm thickness. It is effective on this thin substrate. [ABSTRACT FROM AUTHOR]
Copyright of Microwave & Optical Technology Letters is the property of Wiley-Blackwell 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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Header DbId: egs
DbLabel: Engineering Source
An: 123283582
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Improved side-coupled three-line wideband bandpass filter.
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  Data: <searchLink fieldCode="AR" term="%22Li%2C+Li%22">Li, Li</searchLink><relatesTo>1</relatesTo><i> lili@uestc.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Lin%2C+Haodong%22">Lin, Haodong</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Tian%2C+Shu+Lin%22">Tian, Shu Lin</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Microwave+%26+Optical+Technology+Letters%22">Microwave & Optical Technology Letters</searchLink>. Aug2017, Vol. 59 Issue 8, p2075-2078. 4p. 5 Diagrams, 3 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Broadband+communication+systems%22">Broadband communication systems</searchLink><br /><searchLink fieldCode="DE" term="%22Bandpass+filters%22">Bandpass filters</searchLink><br /><searchLink fieldCode="DE" term="%22Nanofabrication%22">Nanofabrication</searchLink><br /><searchLink fieldCode="DE" term="%22Microstrip+antennas%22">Microstrip antennas</searchLink><br /><searchLink fieldCode="DE" term="%22Thickness+measurement%22">Thickness measurement</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This letter presents an improved side-coupled three-line filter, which is loaded by two short-ended microstrip stubs. The mechanism of improved filter is that the order of original three-line filter is increased from third order to fifth order. As a result, the fractional reflection bandwidth below −10 dB of improved filter is raised from 75% to 98%, and its selectivity (skirt factor) is enhanced from 64% to 75%. The proposed filter has been fabricated and verified on the substrate of 0.508 mm thickness. It is effective on this thin substrate. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Microwave & Optical Technology Letters is the property of Wiley-Blackwell 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:
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    Identifiers:
      – Type: doi
        Value: 10.1002/mop.30676
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 4
        StartPage: 2075
    Subjects:
      – SubjectFull: Broadband communication systems
        Type: general
      – SubjectFull: Bandpass filters
        Type: general
      – SubjectFull: Nanofabrication
        Type: general
      – SubjectFull: Microstrip antennas
        Type: general
      – SubjectFull: Thickness measurement
        Type: general
    Titles:
      – TitleFull: Improved side-coupled three-line wideband bandpass filter.
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            NameFull: Li, Li
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            NameFull: Lin, Haodong
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            NameFull: Tian, Shu Lin
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          Dates:
            – D: 01
              M: 08
              Text: Aug2017
              Type: published
              Y: 2017
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              Value: 08952477
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              Value: 59
            – Type: issue
              Value: 8
          Titles:
            – TitleFull: Microwave & Optical Technology Letters
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