Volume 33 Issue 2
Mar.  2024
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Peng CHU, Jianguo FENG, Peng ZHU, et al., “Wide Stopband Substrate Integrated Waveguide Filter Using Bisection and Trisection Coupling in Multilayer,” Chinese Journal of Electronics, vol. 33, no. 2, pp. 436–442, 2024 doi: 10.23919/cje.2023.00.027
Citation: Peng CHU, Jianguo FENG, Peng ZHU, et al., “Wide Stopband Substrate Integrated Waveguide Filter Using Bisection and Trisection Coupling in Multilayer,” Chinese Journal of Electronics, vol. 33, no. 2, pp. 436–442, 2024 doi: 10.23919/cje.2023.00.027

Wide Stopband Substrate Integrated Waveguide Filter Using Bisection and Trisection Coupling in Multilayer

doi: 10.23919/cje.2023.00.027
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  • Author Bio:

    Peng CHU received the B.S. and M.S. degrees from Xidian University in 2006 and 2009, respectively, and the Ph.D. degree from Southeast University in 2014. He is currently an Associate Professor at Nanjing University of Posts and Telecommunications. His research interests include microwave and millimeter-wave circuits, antennas, and energy harvesting. (Email: pengchu@njupt.edu.cn)

    Jianguo FENG received the B.S. degree from the Applied Technology College of Soochow University in 2019, and he is currently pursuing the M.S. degree at Nanjing University of Posts and Telecommunications. His current research interests include substrate integrated waveguide filters and antennas. (Email: fjgawmy@163.com)

    Peng ZHU received the B.S. degree from Yancheng Institute of Technology in 2020, and he is currently pursuing the M.S. degree at Nanjing University of Posts and Telecommunications. His current research interests include mixed coupling filters and coplanar waveguide technology. (Email: 303078063@qq.com)

    Guoqing LUO received the B.S. degree from China University of Geosciences in 2000, the M.S. degree from Northwest Polytechnical University in 2003, and the Ph.D. degree from Southeast University in 2007. He is currently a Professor at Hangzhou Dianzi University. His current research interests include RF, microwave, and mm-wave passive devices, antennas, circuits, and systems. He was a recipient of the National Excellent Doctoral Dissertation of China in 2009, the National Natural Science Award of China in 2016, and the Natural Science Award of Zhejiang Province in 2021. He is a Fellow of the CIE. (Email: luoguoqing@hdu.edu.cn)

    Ke WU received the B.S. degree (Hons.) in radio engineering from Nanjing Institute of Technology (now Southeast University), China, in 1982, the D.E.A. degree (Hons.) and the Ph.D. degree (Hons.) in optics, optoelectronics, and microwave engineering, respectively, in 1984 and 1987, all from the Institut National Polytechnique de Grenoble (INPG) and the University of Grenoble, Grenoble, France. He is currently a Professor of Electrical Engineering and the Industrial Research Chair in Future Wireless Technologies at the Polytechnique Montreal (University of Montreal), where he is the Director of the Poly-Grames Research Center. His current research interests involve substrate integrated antennas/circuits/systems, antenna arrays, field theory and joint field/circuit modeling, ultrafast guided-wave electronics, wireless power transmission and harvesting, microwave photonics, and MHz-through-THz technologies and transceivers including RFICs/MMICs for joint radar/communication architectures, innovative multifunction wireless systems, and biomedical applications. (Email: ke.wu@polymtl.ca)

  • Corresponding author: Email: pengchu@njupt.edu.cn
  • Received Date: 2023-01-31
  • Accepted Date: 2023-03-28
  • Available Online: 2023-07-20
  • Publish Date: 2024-03-05
  • This article presents a highly efficient method for substrate-integrated-waveguide (SIW) filters to achieve very wide stopbands. By employing the proposed trisection slots in addition to the bisection slots as the inter-coupling structures, all spurious modes below TE505 of a SIW filter working in the fundamental mode TE101 (f0) can be eliminated without requiring additional structure or complex theoretical analysis, without affecting the design of the fundamental passbands, and without degrading the performance of the filters. For verification, two prototype filters are designed, fabricated, and measured with wide stopbands up to 4.15f0 and 4.83f0, respectively. The proposed technique could facilitate the development of high-performance wide-stopband SIW filters for microwave/wireless circuits and systems.
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