Article Dans Une Revue IEEE Microwave Magazine Année : 2025

Frequency Transformation Methods for Planar Multiband Filters Design

Shaochang Liu
Yi Wu
Feng Feng
Qi-Jun Zhang

Résumé

In this article, we systematically reviewed the theory of designing multiband filters based on frequency transformation methods and the design methods based on planar circuits. Firstly, we reviewed the general methods of designing filters based on planar circuits and introduced the concept of designing multiband filters using frequency transformation methods. Secondly, we discussed the mathematical expression of frequency transformation method in depth and provided rigorous mathematical proofs. Furthermore, we presented the topology and design circuit examples of filters based on lumped parameters and coupling matrix synthesis. Finally, we compared the advantages and disadvantages of frequency transformation method and summarized the entire article.

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Dates et versions

hal-04921805 , version 1 (30-01-2025)

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Shaochang Liu, Yi Wu, Erwan Fourn, Feng Feng, Qi-Jun Zhang. Frequency Transformation Methods for Planar Multiband Filters Design. IEEE Microwave Magazine, 2025, 26 (2), pp.47-58. ⟨10.1109/mmm.2024.3486597⟩. ⟨hal-04921805⟩
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