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Development of a New Equivalent Circuit of DGS with Ideal Transformer.

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Title: Development of a New Equivalent Circuit of DGS with Ideal Transformer.
Authors: Noun, Sreymom1 (AUTHOR), Chhit, Sreyrong1 (AUTHOR), Phan, Phally1 (AUTHOR), Lim, Jong-Sik2 (AUTHOR), Han, Sang-Min3 (AUTHOR), Ahn, Dal2 (AUTHOR), Jang, Youna1 (AUTHOR) jynhlu73@sch.ac.kr, Jeong, YongChae (AUTHOR) ycjeong@jbnu.ac.kr
Source: International Journal of RF & Microwave Computer-Aided Engineering. 7/1/2024, Vol. 2024, p1-17. 17p.
Subjects: Parallel electric circuits, Lumped elements, Microwave circuits, Behavioral assessment
Abstract: In this paper, a new equivalent circuit of a rectangular dumbbell‐shaped defected ground structure (DGS) with an ideal transformer is proposed. The proposed circuit incorporates a parallel resistor in the DGS gap, enabling the extraction of the coupling coefficient of DGS occurring in the narrow line gaps. Both circuit simulations and measurements demonstrate excellent agreement, confirming excellent performance compared to the measured results. Unlike the conventional equivalent circuit, which consists only of the lumped element, this one has an accuracy of only DGS units. In the proposed circuit, an ideal transformer has higher accuracy for the DGS in parallel with a resistor. We observed that increasing the resistance of the parallel resistor on the DGS unit leads to a decrease in the coupling coefficient and, conversely, decreasing the resistance prompts an increase in the coupling coefficient. The goal of this study is to develop a new equivalent circuit for a DGS unit with the ideal transformer, especially to find the coupling coefficient that occurred in the DGS gap. Here, we analyzed that the structure of the DGS unit had a gap, and the coupling coefficient must be built into any value. To demonstrate the effectiveness of the proposed circuit, DGS was used to design and conduct fabrication and measurement. The advantages of the proposed circuit analysis of the DGS behavior can be used to develop the attenuation pole as a one‐pole low‐pass filter, paving the way for future applications and developments in microwave and RF circuit design. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of RF & Microwave Computer-Aided Engineering 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.)
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DbLabel: Engineering Source
An: 179671714
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  Label: Title
  Group: Ti
  Data: Development of a New Equivalent Circuit of DGS with Ideal Transformer.
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  Data: <searchLink fieldCode="AR" term="%22Noun%2C+Sreymom%22">Noun, Sreymom</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chhit%2C+Sreyrong%22">Chhit, Sreyrong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Phan%2C+Phally%22">Phan, Phally</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lim%2C+Jong-Sik%22">Lim, Jong-Sik</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Han%2C+Sang-Min%22">Han, Sang-Min</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ahn%2C+Dal%22">Ahn, Dal</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jang%2C+Youna%22">Jang, Youna</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jynhlu73@sch.ac.kr</i><br /><searchLink fieldCode="AR" term="%22Jeong%2C+YongChae%22">Jeong, YongChae</searchLink> (AUTHOR)<i> ycjeong@jbnu.ac.kr</i>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+RF+%26+Microwave+Computer-Aided+Engineering%22">International Journal of RF & Microwave Computer-Aided Engineering</searchLink>. 7/1/2024, Vol. 2024, p1-17. 17p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Parallel+electric+circuits%22">Parallel electric circuits</searchLink><br /><searchLink fieldCode="DE" term="%22Lumped+elements%22">Lumped elements</searchLink><br /><searchLink fieldCode="DE" term="%22Microwave+circuits%22">Microwave circuits</searchLink><br /><searchLink fieldCode="DE" term="%22Behavioral+assessment%22">Behavioral assessment</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In this paper, a new equivalent circuit of a rectangular dumbbell‐shaped defected ground structure (DGS) with an ideal transformer is proposed. The proposed circuit incorporates a parallel resistor in the DGS gap, enabling the extraction of the coupling coefficient of DGS occurring in the narrow line gaps. Both circuit simulations and measurements demonstrate excellent agreement, confirming excellent performance compared to the measured results. Unlike the conventional equivalent circuit, which consists only of the lumped element, this one has an accuracy of only DGS units. In the proposed circuit, an ideal transformer has higher accuracy for the DGS in parallel with a resistor. We observed that increasing the resistance of the parallel resistor on the DGS unit leads to a decrease in the coupling coefficient and, conversely, decreasing the resistance prompts an increase in the coupling coefficient. The goal of this study is to develop a new equivalent circuit for a DGS unit with the ideal transformer, especially to find the coupling coefficient that occurred in the DGS gap. Here, we analyzed that the structure of the DGS unit had a gap, and the coupling coefficient must be built into any value. To demonstrate the effectiveness of the proposed circuit, DGS was used to design and conduct fabrication and measurement. The advantages of the proposed circuit analysis of the DGS behavior can be used to develop the attenuation pole as a one‐pole low‐pass filter, paving the way for future applications and developments in microwave and RF circuit design. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of RF & Microwave Computer-Aided Engineering 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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      – Type: doi
        Value: 10.1155/2024/5534731
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 17
        StartPage: 1
    Subjects:
      – SubjectFull: Parallel electric circuits
        Type: general
      – SubjectFull: Lumped elements
        Type: general
      – SubjectFull: Microwave circuits
        Type: general
      – SubjectFull: Behavioral assessment
        Type: general
    Titles:
      – TitleFull: Development of a New Equivalent Circuit of DGS with Ideal Transformer.
        Type: main
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          Name:
            NameFull: Noun, Sreymom
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            NameFull: Chhit, Sreyrong
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            NameFull: Phan, Phally
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            NameFull: Lim, Jong-Sik
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            NameFull: Han, Sang-Min
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            NameFull: Ahn, Dal
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            NameFull: Jang, Youna
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            – D: 01
              M: 07
              Text: 7/1/2024
              Type: published
              Y: 2024
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              Value: 2024
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            – TitleFull: International Journal of RF & Microwave Computer-Aided Engineering
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