Synthesis of Microwave Filters with Dispersive Coupling Using Isospectral Flow Method
Refereed conference paper presented and published in conference proceedings


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AbstractIn this paper, an iterative method is introduced to synthesize microwave filters with linearly frequency-dependent dispersive coupling elements. By employing a legitimate orthogonal transformation and scaling process, the dispersive coupling matrix can be represented by a frequency-independent coupling matrix with extra cross couplings for reflecting the dispersion. By applying the isospectral constrained optimization, the synthesized coupling matrix can be guaranteed to be in the desired coupling topology. The proposed method exhibits fast convergence and does not suffer much from the multiple local minimums as compared to other brute-force optimization methods.
Acceptance Date02/06/2019
All Author(s) ListZhang Yan, Huan Meng, Ke-Li Wu
Name of Conference2019 IEEE MTT-S International Microwave Symposium (IMS)
Start Date of Conference02/06/2019
End Date of Conference07/06/2019
Place of ConferenceBoston
Country/Region of ConferenceUnited States of America
Proceedings Title2019 IEEE MTT-S International Microwave Symposium (IMS)
Year2019
Month5
Day7
PublisherIEEE
Place of PublicationUSA
Pages846 - 848
eISBN978-1-7281-1309-8
ISSN0149-645X
LanguagesEnglish-United States
KeywordsCouplings,Dispersion,Microwave filters,Topology,Filtering theory,Band-pass filters,Frequency synthesizers

Last updated on 2020-23-10 at 00:10