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A New Design Approach for Balanced Bandpass Filters on Right-Angled Isosceles Triangular Patch Resonator
Liu Q.1,2; Wang J.1,2; Zhang G.3; Zhu L.4; Wu W.1
2019
Source PublicationIEEE Microwave and Wireless Components Letters
ISSN15311309
Volume29Issue:1Pages:5-7
Abstract

A new approach to design a balanced bandpass filter (BPF) is presented in this letter. By virtue of resonant properties of a right-angled isosceles triangular patch resonator (RAITPR), a modified RAITPR with one electric wall and two magnetic walls is constructed. This resonator, namely, half-mode RAITPR, can support half-TM-mode of the RAITPR. By adopting proper coupling topology between three adjacent RAITPRs and two half-mode RAITPRs, a third-order balanced BPF is proposed to achieve good differential-mode filtering selectivity and high common-mode suppression. To verify this design concept, a balanced BPF operating at 2.0 GHz with a 3-dB fractional bandwidth of 12.9% is in final designed and fabricated. Good agreement is achieved between the simulated and measured results over a wide bandwidth from 0 to 4.0 GHz.

KeywordBalanced Bandpass Filter (Bpf) Common-mode (Cm) Suppression Right-angled Isosceles Triangular Patch Resonator (Raitpr) Transmission Zeros
DOI10.1109/LMWC.2018.2884829
URLView the original
Indexed BySCI
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000456143600003
Fulltext Access
Citation statistics
Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.Ministerial Key Laboratory of JGMT, Nanjing University of Science and Technology, Nanjing 210094, China
2.State Key Laboratory of Millimeter Waves of China, Nanjing 210096, China
3.School of Electrical and Automation Engineering, Nanjing Normal University, Nanjing 210046, China
4.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macau, China
Recommended Citation
GB/T 7714
Liu Q.,Wang J.,Zhang G.,et al. A New Design Approach for Balanced Bandpass Filters on Right-Angled Isosceles Triangular Patch Resonator[J]. IEEE Microwave and Wireless Components Letters,2019,29(1):5-7.
APA Liu Q.,Wang J.,Zhang G.,Zhu L.,&Wu W..(2019).A New Design Approach for Balanced Bandpass Filters on Right-Angled Isosceles Triangular Patch Resonator.IEEE Microwave and Wireless Components Letters,29(1),5-7.
MLA Liu Q.,et al."A New Design Approach for Balanced Bandpass Filters on Right-Angled Isosceles Triangular Patch Resonator".IEEE Microwave and Wireless Components Letters 29.1(2019):5-7.
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