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Peng CHU, Jianguo FENG, Lei GUO, et al., “TE101 Substrate Integrated Waveguide Filter With Wide Stopband Up to TE10(2n-1) and Coplanar Ports,” Chinese Journal of Electronics, vol. x, no. x, pp. 1–7, xxxx doi: 10.23919/cje.2023.00.225
Citation: Peng CHU, Jianguo FENG, Lei GUO, et al., “TE101 Substrate Integrated Waveguide Filter With Wide Stopband Up to TE10(2n-1) and Coplanar Ports,” Chinese Journal of Electronics, vol. x, no. x, pp. 1–7, xxxx doi: 10.23919/cje.2023.00.225

TE101 Substrate Integrated Waveguide Filter With Wide Stopband Up to TE10(2n-1) and Coplanar Ports

doi: 10.23919/cje.2023.00.225
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  • Author Bio:

    Peng CHU received the B.S. and M.S. degrees from Xidian University, Xi’an, China, in 2006 and 2009, respectively, and the Ph.D. degree in radio engineering from the State Key Laboratory of Millimeter Waves, Southeast University, Nanjing, China, in 2014. From 2018 to 2020, he was a Postdoctoral Fellow with the Poly-Grames Research Center, Polytechnique Montreal, QC, Canada. He joined the College of Electronic and Optical Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China, in 2014, where he is currently an Associate Professor. His research interests include microwave and millimeter-wave circuits, antennas, and energy harvesting. (Email: pengchu@njupt.edu.cn)

    Jianguo FENG was born in Lianyungang, Jiangsu, China, in 1995. He received the B.S. degree in electronic information science and technology from the Applied Technology College of Soochow University, Suzhou, China, in 2019, and the M.S. degree in electromagnetics and microwave technology from Nanjing University of Posts and Telecommunications, Nanjing, China, in 2023. He joined the Hengxin Technology in 2023, where he is currently an antenna development engineer. His current research interests include microwave and millimeter-wave filters and antennas. (Email: fjgawmy@163.com)

  • Corresponding author: Email: pengchu@njupt.edu.cn
  • Received Date: 2023-06-23
  • Accepted Date: 2023-11-13
  • Rev Recd Date: 2023-09-14
  • Available Online: 2024-02-22
  • This article presents a new method for substrate integrated waveguide (SIW) filters to achieve wide stopbands. Using the proposed staggered inter-coupling structures, double-layer SIW filters working at the fundamental mode TE101 (f0) can have wide stopbands up to TE10(2n-1), where n is the order of the filter. They can break the upper limit of the stopband extension and have coplanar ports suitable for planar circuits and systems in comparison to their multilayer counterparts, and they can further extend the stopbands and have shielding structures suitable for high-performance and high-frequency applications in comparison to their hybrid counterparts. Three examples are provided. The measured results show that they respectively achieve wide stopbands up to 3.97 f0, 5.22 f0, and 6.53 f0. The proposed technique should be effective for developing wide stopband SIW filters for microwave circuits and systems.
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