A new approach of dual-band filters by stepped impedance simplified cascaded quadruplet resonators with slot coupling

W. J. Lin, C. S. Chang, J. Y. Li, D. B. Lin, L. S. Chen, M. P. Houng

研究成果: Article

21 引文 斯高帕斯(Scopus)

摘要

This paper presents novel approaches for dual-band bandpass filter design utilizing stepped impedance simplified cascaded quadruplet resonators (SI-SCQRs) with slot coupling. A pair of SI-SCQRs forms a cross coupled dual-band filtering path to provide high selectivity passband response, and a slot coupling structure provides SI-SCQRs with another filtering path for improving and controlling the performances of the dual-band filter such as insertion loss and bandwidth. Measured insertion losses are 0.26dB and 1.2dB, and return losses are better than 16.3dB and 15.2dB at the first and second passband frequencies, respectively, with a mid-stopband attenuation around 30dB.

原文English
頁(從 - 到)19-28
頁數10
期刊Progress in Electromagnetics Research Letters
9
DOIs
出版狀態Published - 2009 一月 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials

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