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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >Dual-wideband differential bandpass filter with intrinsic common-mode suppression based on hybrid transmission structure
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Dual-wideband differential bandpass filter with intrinsic common-mode suppression based on hybrid transmission structure

机译：基于混合传动结构的双宽带差分带通滤波器具有内在共模抑制

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摘要

Based on the microstrip-line/slot-line hybrid transmission structure, a novel method of realizing dual-wideband differential bandpass filter (DDBPF) is proposed and demonstrated in this paper. By virtue of hybrid transmission structure, the proposed DDBPF has intrinsic common mode (CM) rejection. Moreover, the dual-wideband transmission performance of differential mode (DM) signal can be approached by using two dual-mode stub-loaded stepped-impedance resonators. The two passbands of the proposed DDBPF are respectively centered at 2.76 GHz and 4.12 GHz which fractional bandwidths are 20.7% and 11.4%. The DM harmonic suppression can extend to 43.5 GHz with rejection level of 13 dB. The CM attenuation of DDBPF can reach 60 dB within DM passband. Furthermore, the CM suppression with attenuation level of 20 dB is ranging from 0.5 GHz to 43.5 GHz. The measurement results are in good agreement with the simulation results, which validates the effectiveness of proposed design methodology.
机译：基于微带线/槽线混合动力传输结构，提出了一种实现双宽带差分带通滤波器（DDBPF）的新方法，并在本文中进行了说明。通过混合传输结构，所提出的DDBPF具有内在的共模（CM）抑制。此外，可以通过使用两个双模式存根的待管阻抗谐振器来接近差分模式（DM）信号的双宽带传输性能。所提出的DDBPF的两个通带分别以2.76GHz和4.12GHz为中心，哪些分数带宽为20.7％和11.4％。 DM谐波抑制可以延伸到43.5GHz，抑制水平为13 dB。 DDBPF的CM衰减可以在DM通带内达到60 dB。此外，具有20dB的衰减水平的CM抑制范围为0.5GHz至43.5GHz。测量结果与模拟结果吻合良好，验证了所提出的设计方法的有效性。

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  • 作者

    Zhelong Liang; Litian Wang; Ming He; Xiaqing Li; Zhao Li; Lu Ji; Xu Zhang; Haihua Chen; Hongpeng Wang; Xuewei Cao;

  • 作者单位

    College of Electronic Information and Optical Engineering Nankai University Tianjin China;

    College of Electronic Information and Optical Engineering Nankai University Tianjin China;

    College of Electronic Information and Optical Engineering Nankai University Tianjin China Nankai University and Huakai Intelligent IOT Joint Research Center Tianjin China;

    College of Electronic Information and Optical Engineering Nankai University Tianjin China;

    College of Electronic Information and Optical Engineering Nankai University Tianjin China;

    College of Electronic Information and Optical Engineering Nankai University Tianjin China;

    College of Electronic Information and Optical Engineering Nankai University Tianjin China;

    College of Electronic Information and Optical Engineering Nankai University Tianjin China China Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology Tianjin China;

    College of Artificial Intelligence Nankai University Tianjin China;

    School of Physics Nankai University Tianjin China;

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  • 正文语种 eng
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  • 关键词

    differential bandpass filter; dual-wideband; hybrid transmission structure; intrinsic common mode rejection; wide differential mode rejection;

    机译：差分带通滤波器;双宽带;混合传动结构;内在共同模式抑制;宽差分模式抑制;

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