Design of Wide-Stopband and Dual-Band Filtering Crossovers Based on Mixed Substrate Integrated Waveguide Cavities

doi:10.1109/TMTT.2023.3291757

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	Design of Wide-Stopband and Dual-Band Filtering Crossovers Based on Mixed Substrate Integrated Waveguide Cavities
	Zhang，Gang 1; Zhou，Xin 1; Xu，Kai Da 2; Yang，Jiquan 1; Sun，Xiaohang 3; Xu，Bin 3; Tam，Kam Weng4 ; Feng，Shuai 1; Tang，Wanchun 1; Hong，Jiasheng 5
	2023
Source Publication	IEEE Transactions on Microwave Theory and Techniques
ISSN	0018-9480
Abstract	This article proposes a new design approach for filtering crossovers featuring wide-stopband and dual-band characteristics based on mixed substrate integrated waveguide (SIW) cavities. The degenerate orthogonal modes in multimode full-mode SIW (FMSIW) square cavities are fully exploited as the cross-unit of dual channels for cross-transmission and good isolation. By developing proper coupling topology between multiple quarter-mode SIW (QMSIW) cavities and the FMSIW cavity, a compact wide-stopband filtering crossover is presented with more than $-$ 20 dB stopband rejection up to 2.11 $f_{0}$ . In order to construct a dual-band filtering crossover topology which has not been reported before, half-mode SIW (HMSIW) cavities are explored to cooperate with the FMSIW cavity, thus leading to a satisfactory dual-passband crossover response for the first time. To validate the design concept, a wide-stopband and a dual-band filtering crossovers are designed, fabricated, and measured. Results exhibit excellent filtering performance and good channel-to-channel isolations over an ultrawide frequency band.
Keyword	Couplings Dual band Dual-band Electronic mail Filtering filtering crossover isolation Microwave filters mixed cavities orthogonal mode substrate integrated waveguide (SIW) Substrates Topology wide-stopband
DOI	10.1109/TMTT.2023.3291757
URL	View the original
Language	英語English
Scopus ID	2-s2.0-85164804727
Fulltext Access	View Full-Text via DOI View Full-Text via Web of Science View Full-Text via Scopus
Citation statistics
Document Type	Journal article
Collection	Faculty of Science and Technology
Affiliation	1.School of Electrical and Automation Engineering, Jiangsu Key Laboratory of3D Printing Equipment and Manufacturing, Nanjing Normal University, Nanjing, China 2.School of Information and Communications Engineering, Xi’an Jiaotong University, Xi’an, China 3.Hengdian Electronics Company Ltd, Nanjing, China 4.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, SAR, China 5.Department of Electrical, Electronic and Computer Engineering, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh, U.K
Recommended Citation GB/T 7714	Zhang，Gang,Zhou，Xin,Xu，Kai Da,et al. Design of Wide-Stopband and Dual-Band Filtering Crossovers Based on Mixed Substrate Integrated Waveguide Cavities[J]. IEEE Transactions on Microwave Theory and Techniques, 2023.
APA	Zhang，Gang., Zhou，Xin., Xu，Kai Da., Yang，Jiquan., Sun，Xiaohang., Xu，Bin., Tam，Kam Weng., Feng，Shuai., Tang，Wanchun., & Hong，Jiasheng (2023). Design of Wide-Stopband and Dual-Band Filtering Crossovers Based on Mixed Substrate Integrated Waveguide Cavities. IEEE Transactions on Microwave Theory and Techniques.
MLA	Zhang，Gang,et al."Design of Wide-Stopband and Dual-Band Filtering Crossovers Based on Mixed Substrate Integrated Waveguide Cavities".IEEE Transactions on Microwave Theory and Techniques (2023).

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