UWB BPF with Triple Notched Bands using Interdigital Coupled‐Line and Three QWR Coupling Short Stubs

作者: Hong-Wei Deng , Yong-Jiu Zhao , Yong Fu , Ying He , Lu Zhang

DOI: 10.1002/MOP.27957

关键词:

摘要: In this article, a compact ultrawideband microstrip bandpass filter with triple narrow notched bands and wide stopband is proposed utilizing interdigital coupled-line three quarter-wavelength resonator (QWR) coupling short stubs loaded in the 50-Ω feedlines. The can improve passband performance create new transmission zeros upper-stopband. QWR studied used to generate desired band deepen stopband. By simply adjusting dimensions of QWRs, center frequencies be allocated at 3.6, 5.2, 5.8 GHz, respectively. Good insertion/return losses are achieved as demonstrated both simulation experiment. © 2013 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:2874–2876,

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