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Design of a Highly Efficient and Wideband Power Amplifier With a New Microstrip Low‐Pass Filter.

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Title: Design of a Highly Efficient and Wideband Power Amplifier With a New Microstrip Low‐Pass Filter.
Authors: Jia, Minshi1,2 (AUTHOR), Liu, Yaxing1 (AUTHOR), Zhou, Zhigang1 (AUTHOR) zgzhou@hdu.edu.cn, Deng, Tiansong1 (AUTHOR), Zhao, Xiaomei1 (AUTHOR), Wang, Xiao1 (AUTHOR), Yan, Haoming1 (AUTHOR), Boria, Vicente E. (AUTHOR) vboria@dcom.upv.es
Source: International Journal of RF & Microwave Computer-Aided Engineering. 1/22/2026, Vol. 2026, p1-9. 9p.
Subjects: Power amplifiers, Impedance matching, Audio amplifiers, Economic efficiency, Gallium nitride, Microstrip filters, Frequency response, Insertion loss (Telecommunication)
Abstract: In this letter, a highly efficient and wideband power amplifier (PA) is proposed based on resistive–resistive series of continuous modes (Res‐Res SCMS) with a new microstrip low‐pass filter (LPF). By employing a conventional real‐to‐real impedance transformer, the output and input matching networks are realized by incorporating the transistor′s parasitic elements. A new compact microstrip LPF, which exhibits a wide stopband with high suppression and a sharp frequency response, also serves as a real‐to‐real impedance matching. It shows less than 0.1 dB insertion loss and greater than 20 dB attenuation in the 4.2–10 GHz frequency range. The proposed PA is designed and fabricated using a CGH40010F GaN high electron mobility transistor (HEMT). The measured result shows that over the frequency band of 0.5–2.9 GHz, the large‐signal gain is bigger than 9.77 dB, the drain efficiency (DE) is 58.2%–76.5%, and the output power is 39.77–42.99 dBm when the input power is 30 dBm. [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: 191138964
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  Label: Title
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  Data: Design of a Highly Efficient and Wideband Power Amplifier With a New Microstrip Low‐Pass Filter.
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  Data: <searchLink fieldCode="AR" term="%22Jia%2C+Minshi%22">Jia, Minshi</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Yaxing%22">Liu, Yaxing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhou%2C+Zhigang%22">Zhou, Zhigang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zgzhou@hdu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Deng%2C+Tiansong%22">Deng, Tiansong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+Xiaomei%22">Zhao, Xiaomei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Xiao%22">Wang, Xiao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yan%2C+Haoming%22">Yan, Haoming</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Boria%2C+Vicente+E%2E%22">Boria, Vicente E.</searchLink> (AUTHOR)<i> vboria@dcom.upv.es</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>. 1/22/2026, Vol. 2026, p1-9. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Power+amplifiers%22">Power amplifiers</searchLink><br /><searchLink fieldCode="DE" term="%22Impedance+matching%22">Impedance matching</searchLink><br /><searchLink fieldCode="DE" term="%22Audio+amplifiers%22">Audio amplifiers</searchLink><br /><searchLink fieldCode="DE" term="%22Economic+efficiency%22">Economic efficiency</searchLink><br /><searchLink fieldCode="DE" term="%22Gallium+nitride%22">Gallium nitride</searchLink><br /><searchLink fieldCode="DE" term="%22Microstrip+filters%22">Microstrip filters</searchLink><br /><searchLink fieldCode="DE" term="%22Frequency+response%22">Frequency response</searchLink><br /><searchLink fieldCode="DE" term="%22Insertion+loss+%28Telecommunication%29%22">Insertion loss (Telecommunication)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In this letter, a highly efficient and wideband power amplifier (PA) is proposed based on resistive–resistive series of continuous modes (Res‐Res SCMS) with a new microstrip low‐pass filter (LPF). By employing a conventional real‐to‐real impedance transformer, the output and input matching networks are realized by incorporating the transistor′s parasitic elements. A new compact microstrip LPF, which exhibits a wide stopband with high suppression and a sharp frequency response, also serves as a real‐to‐real impedance matching. It shows less than 0.1 dB insertion loss and greater than 20 dB attenuation in the 4.2–10 GHz frequency range. The proposed PA is designed and fabricated using a CGH40010F GaN high electron mobility transistor (HEMT). The measured result shows that over the frequency band of 0.5–2.9 GHz, the large‐signal gain is bigger than 9.77 dB, the drain efficiency (DE) is 58.2%–76.5%, and the output power is 39.77–42.99 dBm when the input power is 30 dBm. [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/mmce/6789881
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 9
        StartPage: 1
    Subjects:
      – SubjectFull: Power amplifiers
        Type: general
      – SubjectFull: Impedance matching
        Type: general
      – SubjectFull: Audio amplifiers
        Type: general
      – SubjectFull: Economic efficiency
        Type: general
      – SubjectFull: Gallium nitride
        Type: general
      – SubjectFull: Microstrip filters
        Type: general
      – SubjectFull: Frequency response
        Type: general
      – SubjectFull: Insertion loss (Telecommunication)
        Type: general
    Titles:
      – TitleFull: Design of a Highly Efficient and Wideband Power Amplifier With a New Microstrip Low‐Pass Filter.
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            NameFull: Jia, Minshi
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            NameFull: Liu, Yaxing
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            NameFull: Zhou, Zhigang
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            – D: 22
              M: 01
              Text: 1/22/2026
              Type: published
              Y: 2026
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