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Synthesis Design of Bandpass Frequency Selective Surface With Multiple Transmission Zeros Using Slotline Structures
Wanping Zhang1,2; Bo Li1; Lei Zhu2; Xuankai Zhao1; Yun-Peng Lyu3; Chong-Hu Cheng1
2022-06-07
Source PublicationIEEE Transactions on Antennas and Propagation
ISSN0018-926X
Abstract

This paper presents a synthesis method to design a new type of bandpass frequency selective surfaces (FSSs) with multiple transmission zeros (TZs). To briefly show the concept of our synthesis method, a generalized topology of the bandpass FSS based on cascaded slotline sections paralleled with bandpass resonators is first presented to map with an alternative nth-order bandpass filtering network with J-inverters and typical LC parallel resonators. Then, two kinds of composite LC parallel resonators, named as LC-LC and L-LC parallel resonators, are introduced and discussed to replace the typical LC parallel resonators, which can produce TZs at skirts of the passband and increase the out-of-band selectivity. The derivations of equivalent relationships between the composite and typical LC resonators are given. Further, for the exploration of bandpass FSS with multiple out-of-band TZs, the realization of these two discussed composite LC parallel resonators is exhibited by inductive and capacitive strip lines loading on slotline structures. The design curves and guidelines are given and discussed correspondingly. To validate our design concept, two FSS examples, a second-order bandpass FSS with four out-of-band TZs and a third-order one with five out-of-band TZs are synthesized and designed. In final, these two designed bandpass FSS prototypes are fabricated and then measured by the free-space measurement method. The measured results show that the desired stable bandpass filtering performance and independently multiple out-of-band TZs are successfully realized.

KeywordFilter Synthesis Frequency Selective Surface (Fss) Slotline Transmission Zeros (Tzs)
DOI10.1109/TAP.2022.3179534
URLView the original
Language英語English
Scopus ID2-s2.0-85131769264
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Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorBo Li; Lei Zhu
Affiliation1.College of Electronic and Optical Engineering, Nanjing University of Posts and Telecommunications, Nanjing, 210023, China and Department of Electrical and Computer Engineering, University of Macau, Macau SAR, 999078, China
2.Department of Electrical and Computer Engineering, University of Macau, Macau SAR, 999078, China
3.College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, 210023, China
First Author AffilicationUniversity of Macau
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Wanping Zhang,Bo Li,Lei Zhu,et al. Synthesis Design of Bandpass Frequency Selective Surface With Multiple Transmission Zeros Using Slotline Structures[J]. IEEE Transactions on Antennas and Propagation,2022.
APA Wanping Zhang,Bo Li,Lei Zhu,Xuankai Zhao,Yun-Peng Lyu,&Chong-Hu Cheng.(2022).Synthesis Design of Bandpass Frequency Selective Surface With Multiple Transmission Zeros Using Slotline Structures.IEEE Transactions on Antennas and Propagation.
MLA Wanping Zhang,et al."Synthesis Design of Bandpass Frequency Selective Surface With Multiple Transmission Zeros Using Slotline Structures".IEEE Transactions on Antennas and Propagation (2022).
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