Compact dual-wideband bandstop filters based on open-coupled lines and transversal signal-interaction concepts

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalNot applicablepeer-review

18 Scopus Citations
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Author(s)

  • Wenjie J. Feng
  • Wenquan Q. Che
  • Suyang Y. Shi
  • Quan Xue

Detail(s)

Original languageEnglish
Pages (from-to)92-97
Journal / PublicationIET Microwaves, Antennas and Propagation
Volume7
Issue number2
Publication statusPublished - 2013

Abstract

Two compact dual-wideband bandstop filters based on open-coupled lines and transversal signal-interaction concepts are proposed in this study. Two transmission paths with a half-wavelength open stub and two open-coupled lines are used to realise two wide stopbands for WLAN bands. Second/third-order stopbands with transmission poles near each stopband can be easily achieved by the two transmission paths. Two planar dual-wideband bandstop filters with 10 dB fractional bandwidths of 40 and 18.2, 61 and 26.8% are designed and fabricated. The theoretical and measured results are in good agreement and show good in-band filtering performance and high selectivity. © The Institution of Engineering and Technology 2013.

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