A Miniaturized UWB Bandpass Filter Employing Multi-Stub-Loaded Short-Circuited Stepped Impedance Ring Resonator

Authors

  • Guangyong Wei School of Electronic and Information Engineering China West Normal University, Nanchong, 637009, China
  • Yunxiu Wang School of Electronic and Information Engineering China West Normal University, Nanchong, 637009, China
  • Jie Liu School of Physics and Astronomy China West Normal University, Nanchong, 637009, China
  • Haiping Li School of Electronic and Information Engineering China West Normal University, Nanchong, 637009, China

DOI:

https://doi.org/10.13052/2023.ACES.J.380705

Keywords:

Bandpass filter, stepped-impedance resonator (SIR), stub-loaded, ultra-wideband (UWB)

Abstract

This article presents a novel microstrip line topology implementation of an ultra-wideband (UWB) bandpass filter. The proposed topology is a short-circuited stepped-impedance ring resonator with an open-circuit stub and a short-circuit stub loaded at the central vertical position of the low impedance of this resonator, respectively. Within the UWB spectrum, five modes are allocated under weak coupling, and to increase filter selectivity, two transmission zeros are added. It is possible to extend the upper stopband and provide sufficient external coupling by utilizing interdigital-coupled lines. To demonstrate the design theory, a prototype is designed and manufactured on a 0.8 mm thick substrate of the affordable F4B-2, and its performance is verified. Measurements show a 3-dB bandwidth span from 2.8 to 9.5 GHz, insertion loss of 0.36 dB, and return loss better than 13 dB.

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Author Biographies

Guangyong Wei, School of Electronic and Information Engineering China West Normal University, Nanchong, 637009, China

Guangyong Wei was born in Chongqing. He received a bachelor’s degree in engineering. He received a bachelor’s degree in electronic information from Panzhihua University in 2021. He is currently studying for a master’s degree.

His research interests are RF microwave devices, UWB antennas.

Yunxiu Wang, School of Electronic and Information Engineering China West Normal University, Nanchong, 637009, China

Yunxiu Wang was born in Kaizhou, Chongqing, in 1967. In December 2008, she graduated from the School of Physics and Electronics, University of Electronic Science and Technology of China with a doctorate in science. From August 2012 to August 2013, she was a visiting scholar at Nanyang Technological University, Singapore. Current research fields mainly include electromagnetic field and microwave technology, scientific research, and teaching of microwave passive devices. She participated in 4 National Natural Science Foundation projects and 1 University Doctoral Fund project. She presided over 1 Sichuan Provincial Key Project, 1 Sichuan Provincial Scientific Research Fund Project, 1 Sichuan Provincial Department of Education Teaching Reform Project, 1 school project Doctoral start-up project, 1 school-level overseas returnee project, and 2 school-level excellent courses.

Jie Liu, School of Physics and Astronomy China West Normal University, Nanchong, 637009, China

Jie Liu was born in Sichuan, China, in 1999. In 2021, he will receive a bachelor’s degree from China West Normal University. He has won several Blue Bridge Electronic Design Awards at the school. In September 2021, he will continue to study for a master’s degree at China West Normal University. He graduated from the School of Electronic Information Engineering, China West Normal University, Nanchong, China.

His main research directions include computational electromagnetics, bandpass filters, and numerical calculations.

Haiping Li, School of Electronic and Information Engineering China West Normal University, Nanchong, 637009, China

Haiping Li was born in 1998 in Bazhong City, Sichuan Province, China. In 2021, he graduated from Panzhihua University, majoring in electronic information engineering, with a bachelor’s degree. He is currently studying for a master’s degree in optical fiber sensing at the School of Electronic Information Engineering, China West Normal University, and his current research interest is optical fiber technology.

References

Federal Communications Commission. Revision of part 15 of the commission’s rules regarding ultra-wideband transmission systems. Tech. Rep., ET-Docket 98-153, FCC02-48, April 2002.

L. Zhu, S. Sun, and R. Li, Microwave Bandpass Filters for Wideband Communications, John Wiley & Sons, pp. 116-148, Jan. 2011.

J.-S. Hong and M. J. Lancaster, Microstrip Filters for RF/microwave Applications, second edition, John Wiley & Sons, pp. 123-153, 2011.

C.-W. Tang and M.-G. Chen, “A microstrip ultra-wideband bandpass filter with cascaded broadband bandpass and bandstop filters,” IEEE Transactions on Microwave Theory and Techniques, vol. 55, no. 11, pp. 2412-2418, Nov. 2007.

C.-L. Hsu, F.-C. Hsu, and J.-K. Kuo, “Microstrip bandpass filters for ultra-wideband (UWB) wireless communications,” IEEE MTT-S International Microwave Symposium Digest, Long Beach, CA, USA, pp. 679-682, 2005.

P. P. Shome, T. Khan, S. K. Koul, and Y. M. M. Antar, “Compact UWB-to-C band reconfigurable filtenna based on elliptical monopole antenna integrated with bandpass filter for cognitive radio systems,” IET Microw. Antennas Propag., vol. 14, no. 10, pp.1079-1088, Aug. 2020.

Z. Zhang and F. Xiao, “An UWB bandpass filter based on a novel type of multi-mode resonator,” IEEE Microwave and Wireless Components Letters, vol. 22, no. 10, pp. 506-508, Oct.2012.

Q.-X. Chu, X.-H. Wu and X.-K. Tian, “Novel UWB bandpass filter using stub-loaded multiple-mode resonator,” IEEE Microwave and Wireless Components Letters, vol. 21, no. 8, pp. 403-405, Aug. 2011.

P. P. Shome and T. Khan, “A compact design of circular ring-shaped MMR based bandpass filter for UWB applications,” IEEE Asia-Pacific Microwave Conference (APMC), Singapore, pp. 962-964, Dec. 2019.

G. Saxena, P. Jain, and Y. K. Awasthi, “Design and analysis of a planar UWB bandpass filter with stopband characteristics using MMR technique,” Int. J. Micro. and Wireless Tech., vol. 13, no. 10, pp. 999-1006, 2021.

G. Y. Wei, Y. X. Wang, J. Liu, Y. Gao, and X. T. Yao, “A novel highly selective UWB bandpass filter using quad-mode stub-loaded resonator,” Pro. Electromagnet. Research Lett., vol. 109, pp. 57-63, 2023.

J. Liu, W. Ding, J. Chen, and A. Zhang, “New ultra-wideband filter with sharp notched band using defected ground structure,” Pro. Electromagnet. Research Lett., vol. 83, pp. 99-105, 2019.

Q.-X. Chu and X.-K. Tian, “Design of UWB bandpass filter using stepped-impedance stub-loaded resonator,” IEEE Microw. and Wireless Compon.Lett., vol. 20, pp. 501-503, 2010.

C. Y. Hung, M. H. Weng, and Y. K. Su., “Design of compact and sharp rejection UWB BPFs using interdigital stepped-impedance resonators,” IEICE Transactions on Electronics, vol. 90, pp. 1652-1654, 2017.

X. H. Luo, X. Cheng, J. A. Han, L. Zhang, F. J. Chen, Y. J. Guo, and X. J Deng, “Compact dual-band bandpass filter using defected SRR and irregular SIR,” Electronics Letters, vol. 55, pp. 463-465, 2019.

Y.-C. Chang, C.-H. Kao, M.-H. Weng, and R.-Y. Yang, “Design of the compact wideband bandpass filter with low loss, high selectivity and wide stopband,” IEEE Microw. and Wireless Compon. Lett., vol. 18, pp. 770-772, 2008.

M. Sazid, N. S. Raghava, and A. N. Ghazali, “UWB-BPF based on broadside coupled technology with triple-notched passband,” Microw. Opt. Technol. Lett., vol. 65, no. 7, pp. 1910-1916, July 2023.

A. N. Ghazali, M. Sazid, and B. Virdee, “A compact UWB-BPF based on microstrip-to-CPW transition with multiple transmission zeros,” Microw Opt. Technol. Lett., vol. 60, no. 8, pp. 1925-1928, Aug. 2018.

C. H. Kim and K. Chang, “Ultra-wideband (UWB) ring resonator bandpass filter with a notched band,” IEEE Micro. and Wire. Compon. Lett., vol. 21, no. 4, pp. 206-208, April 2011.

H. Zhu and Q.-X. Chu, “Ultra-wideband bandpass filter with a notch-band using stub-loaded ring resonator,” IEEE Micro. and Wire. Compon. Lett., vol. 23, no. 7, pp. 341-343, July 2013.

Z. Long, M. Tian, T. Zhang, M. Qiao, T. Wu, and Y. Lan, “High-temperature superconducting multimode dual-ring UWB bandpass filter,” IEEE Transactions on Applied Superconductivity, vol. 30, no. 2, pp. 1-4, March 2020.

C. H. Kim and K. Chang, “Ring resonator bandpass filter with switchable bandwidth using stepped-impedance stubs,” IEEE Transactions on Microwave Theory and Techniques, vol. 58, no. 12, pp. 3936-3944, Dec. 2010.

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Published

2023-07-31

How to Cite

[1]
G. . Wei, Y. . Wang, J. . Liu, and H. . Li, “A Miniaturized UWB Bandpass Filter Employing Multi-Stub-Loaded Short-Circuited Stepped Impedance Ring Resonator”, ACES Journal, vol. 38, no. 07, pp. 496–502, Jul. 2023.

Issue

2023: Vol 38 Iss 7

Section

General Submission

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