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Multiband bandpass filter design using E‐plane septa for waveguide application
Author(s) -
Li Xiaokun,
Zhang Yonghong,
Da Xu Kai,
Wang Junfeng,
Li Shudan,
Fan Yong
Publication year - 2018
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.31394
Subject(s) - band pass filter , multi band device , electronic engineering , waveguide filter , transmission (telecommunications) , out of band management , waveguide , physics , plane (geometry) , filter (signal processing) , engineering , acoustics , computer science , optics , prototype filter , electrical engineering , filter design , mathematics , geometry , network architecture , computer security , antenna (radio) , network management station
Multiband bandpass filter (BPF) design is proposed by utilizing E‐plane septa to introduce transmission zeros in‐band for waveguide application. Due to the unique employment of E‐plane septa, multiband BPF responses are flexible to realize. Since number of transmission zeros is strongly dependent on the structure of employed septa, by adjusting the parameters of septa, dual‐band, tri‐band, and quad‐band, multiband BPF responses are presented. While various multiband responses can be achieved without changing the structure, it is more competitive and compatible. Somehow, tri‐band and quad‐band W‐band filters are fabricated for validation of the design technique for multiband BPF applications.