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Design of a Sixth-Order Switchable Superconducting Balanced Filter Using Asymmetric Coupled SIRs.

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Title: Design of a Sixth-Order Switchable Superconducting Balanced Filter Using Asymmetric Coupled SIRs.
Authors: Tang, Jiaming1 (AUTHOR), Liu, Haiwen2 (AUTHOR) haiwen_liu@hotmail.com, Xu, He-Xiu3 (AUTHOR), Zhang, Qingfeng4 (AUTHOR), Wen, Pin2 (AUTHOR), Zheng, Shao-Yong5 (AUTHOR)
Source: IEEE Transactions on Applied Superconductivity. Mar2019, Vol. 29 Issue 2, p1-5. 5p.
Subjects: Bandpass filters, Silicon solar cells, Dye-sensitized solar cells, Elliptic functions, Transmission zeros, Filters & filtration, Insertion loss (Telecommunication), Thin films
Abstract: A stopband-extended sixth-order balanced bandpass filter with switchable passband function and stopband response is proposed in this paper. Based on the use of asymmetric coupled stepped-impedance resonators, the upper differential-mode stopband can be extended, and high common-mode suppression can be performed within passband. By means of high-order structure and cross coupling, which introduce transmission zeros closely around the passband, high selectivity is attained. The configuration utilizing switchable cross coupling is eventually employed in the balanced filter to perform either Elliptic function with steep passband edge or Chebyshev function with flat and deep stopband. The circuit is fabricated in high-temperature superconducting technique on an MgO substrate with YBCO thin films, which can result in relatively low insertion losses. Experiment at the temperature of 77 K was carried out to validate the design concept. The results attain good agreement with the predicted ones in simulation. [ABSTRACT FROM AUTHOR]
Copyright of IEEE Transactions on Applied Superconductivity 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.)
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  Data: Design of a Sixth-Order Switchable Superconducting Balanced Filter Using Asymmetric Coupled SIRs.
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  Data: <searchLink fieldCode="DE" term="%22Bandpass+filters%22">Bandpass filters</searchLink><br /><searchLink fieldCode="DE" term="%22Silicon+solar+cells%22">Silicon solar cells</searchLink><br /><searchLink fieldCode="DE" term="%22Dye-sensitized+solar+cells%22">Dye-sensitized solar cells</searchLink><br /><searchLink fieldCode="DE" term="%22Elliptic+functions%22">Elliptic functions</searchLink><br /><searchLink fieldCode="DE" term="%22Transmission+zeros%22">Transmission zeros</searchLink><br /><searchLink fieldCode="DE" term="%22Filters+%26+filtration%22">Filters & filtration</searchLink><br /><searchLink fieldCode="DE" term="%22Insertion+loss+%28Telecommunication%29%22">Insertion loss (Telecommunication)</searchLink><br /><searchLink fieldCode="DE" term="%22Thin+films%22">Thin films</searchLink>
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  Label: Abstract
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  Data: A stopband-extended sixth-order balanced bandpass filter with switchable passband function and stopband response is proposed in this paper. Based on the use of asymmetric coupled stepped-impedance resonators, the upper differential-mode stopband can be extended, and high common-mode suppression can be performed within passband. By means of high-order structure and cross coupling, which introduce transmission zeros closely around the passband, high selectivity is attained. The configuration utilizing switchable cross coupling is eventually employed in the balanced filter to perform either Elliptic function with steep passband edge or Chebyshev function with flat and deep stopband. The circuit is fabricated in high-temperature superconducting technique on an MgO substrate with YBCO thin films, which can result in relatively low insertion losses. Experiment at the temperature of 77 K was carried out to validate the design concept. The results attain good agreement with the predicted ones in simulation. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of IEEE Transactions on Applied Superconductivity 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:
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        Value: 10.1109/TASC.2018.2882072
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      – Code: eng
        Text: English
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        PageCount: 5
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      – SubjectFull: Bandpass filters
        Type: general
      – SubjectFull: Silicon solar cells
        Type: general
      – SubjectFull: Dye-sensitized solar cells
        Type: general
      – SubjectFull: Elliptic functions
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      – SubjectFull: Transmission zeros
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      – SubjectFull: Filters & filtration
        Type: general
      – SubjectFull: Insertion loss (Telecommunication)
        Type: general
      – SubjectFull: Thin films
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      – TitleFull: Design of a Sixth-Order Switchable Superconducting Balanced Filter Using Asymmetric Coupled SIRs.
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            NameFull: Tang, Jiaming
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            NameFull: Liu, Haiwen
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            NameFull: Zhang, Qingfeng
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              Text: Mar2019
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              Y: 2019
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