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Dual-Band Filtering Differential Phase Shifter Using Cascaded Wideband Phase Shifter and Bandstop Network With Two Same Phase Shifts
Lei-Lei Qiu1; Lei Zhu2
2021
Source PublicationIEEE Microwave and Wireless Components Letters
ISSN1531-1309
Abstract

This letter proposes a new design method of dual-band filtering differential phase shifter using cascaded wideband phase shifter and bandstop network. After cascading the bandstop network, the phase shift characteristic of the initial wideband filtering differential phase shifter remains unchanged, while its wide passband is divided into dual subpassbands. Compared with traditional dual-band-filter-based topology, the proposed cascaded one features the advantage of independently controlled phase and amplitude responses, and can achieve the same phase shifts in two passbands that conventional one cannot. For verification, a dual-band differential phase shifter with two same phase shifts of 90° is designed, fabricated, and measured. Simulated and measured results show good agreement.

KeywordBandstop Network Differential Phase Shifter Dual Band Filtering Dual-band Wideband Phase Shifter
DOI10.1109/LMWC.2020.3046247
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000629021700009
Scopus ID2-s2.0-85099195166
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorLei Zhu
Affiliation1.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Zhuhai 999078, Macau SAR China (e-mail: leizhu@umac.mo).
2.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Zhuhai 999078, Macau SAR China.
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Lei-Lei Qiu,Lei Zhu. Dual-Band Filtering Differential Phase Shifter Using Cascaded Wideband Phase Shifter and Bandstop Network With Two Same Phase Shifts[J]. IEEE Microwave and Wireless Components Letters,2021.
APA Lei-Lei Qiu,&Lei Zhu.(2021).Dual-Band Filtering Differential Phase Shifter Using Cascaded Wideband Phase Shifter and Bandstop Network With Two Same Phase Shifts.IEEE Microwave and Wireless Components Letters.
MLA Lei-Lei Qiu,et al."Dual-Band Filtering Differential Phase Shifter Using Cascaded Wideband Phase Shifter and Bandstop Network With Two Same Phase Shifts".IEEE Microwave and Wireless Components Letters (2021).
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