Compact Bandpass Filter With Multiple Coupling Paths in Limited Space for Ku-Band Application
IEEE Microwave and Wireless Components Letters(2017)
摘要
A compact bandpass filter (BPF) for Ku-band application is proposed in this letter. The proposed filter is composed of five quarter-wavelength (λ/4) stepped-impedance resonators, which are in staggered arrangement. Folded narrow feedlines are used to introduce multiple coupling paths in limited space. Two symmetrical cascaded quadruplet like (CQ-like) structures are formed and devoted to generate ...
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关键词
Band-pass filters,Couplings,Microstrip,Microwave filters,Wireless communication,Insertion loss,Filtering theory
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