Multi-suppression of microstrip bandpass filter using split-mode excitations

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

研究成果: Article

1 引文 斯高帕斯(Scopus)

摘要

A novel method for spurious suppression in bandpass filter using Split-Mode Excitations (SME) is proposed. Distinct from traditional ways for spurious suppression, the proposed method uses different excitations for six-order quarter-wavelength resonators to obtain good out-of-band performance. According to the split-mode, the proposed bandpass filter with wideband spurious suppression was designed by using three effective excitations to produce three spurious conditions. In this way, the proposed circuit has a very small size, only amounting to 0.08 by 0.32 guided wavelength at the center frequency of 2.4 GHz. The out-of-band performance is improved easily and effectively with a rejection level better than 20 dB at least up to 20 GHz and done without using any cascaded circuits.

原文English
頁(從 - 到)1501-1510
頁數10
期刊Journal of Electromagnetic Waves and Applications
24
發行號11-12
DOIs
出版狀態Published - 2010 七月 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Physics and Astronomy(all)
  • Electrical and Electronic Engineering

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