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  • 标题:A Narrow Bandwidth Microstrip Band-Pass Filter with Symmetrical Frequency Characteristics
  • 本地全文:下载
  • 作者:Jun, Dong-Suk ; Lee, Hong-Yeol ; Kim, Dong-Young
  • 期刊名称:ETRI Journal
  • 印刷版ISSN:1225-6463
  • 电子版ISSN:2233-7326
  • 出版年度:2005
  • 卷号:27
  • 期号:5
  • 页码:643-643
  • 语种:English
  • 出版社:Electronics and Telecommunications Research Institute
  • 摘要:This letter proposes a band-pass filter (BPF) with two transmission zeros based on a combination of parallel coupling and end coupling of half-wave transmission lines. The fabricated BPF exhibited a narrow bandwidth and two transmission zeros near the pass-band due to the end-coupled and shielding waveguide. At the center operation frequency of 60 GHz, the 20 dB bandwidth of the BPF is 1.0 GHz, which is almost 2% of the center operation frequency, and the insertion loss is 3.12 dB. Two transmission zeros reach approximately 40 dB at 58.5 and 62.5 GHz. The simulation results almost agree with the measured results.
  • 关键词:Band-pass filter (BPF);parallel-coupled;end-coupled
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