Compact 5.8-GHz bandpass filter using stepped-impedance dielectric resonators for ISM band wireless communication

Cheng-Liang Huang, Chih-Ming Tsai, Andy Yang, Allen Hsu

研究成果: Article同行評審

8 引文 斯高帕斯(Scopus)

摘要

High-permittivity dielectric ceramics MgTiO3-CaTiO3r ∼ 20) is applied in the fabrication of 5.8-GHz stepped-impedance resonator (SIR) microwave ceramic bandpass filter. Tapped input/output ports are designed to provide a direct connection between the filter and the microstrip transmission line. The microwave bandpass filter is constructed by using two stepped-impedance quarter-wavelength coaxial dielectric resonators. The direct-coupling method was employed in the transformation of electromagnetic energy. Losses and other electromagnetic (EM) effects are taken into account to further modify the actual dimensions of the designed filter. The fabricated bandpass filter achieves an excellent microwave-frequency response with insertion loss of less than 1 dB at 5.8 GHz.

原文English
頁(從 - 到)421-423
頁數3
期刊Microwave and Optical Technology Letters
44
發行號5
DOIs
出版狀態Published - 2005 3月 5

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 原子與分子物理與光學
  • 凝聚態物理學
  • 電氣與電子工程

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