Ultra-wideband differential bandpass filter with narrow notched band and improved common-mode suppression by DGS

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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Author(s)

  • Suyang Shi
  • Wai-Wa Choi
  • Wenquan Che
  • Kam-Weng Tam
  • Quan Xue

Related Research Unit(s)

Detail(s)

Original languageEnglish
Pages (from-to)185-187
Journal / PublicationIEEE Microwave and Wireless Components Letters
Volume22
Issue number4
Online published20 Mar 2012
Publication statusPublished - Apr 2012

Abstract

A novel microstrip ultra-wideband (UWB) differential filter with narrow notched band based on the transversal signal- interference concept is presented. In order to enhance the interference immunity from undesired signals efficiently, the notched band is implemented by coupling with quarter wavelength shorted-line at input and output ports. By taking advantage of the bandgap characteristic of defected ground structure (DGS), a slot-line DGS is used for improving the common-mode rejection. In this work, at the center frequency of the notched band which is 2.45 GHz, about 7.3% bandwidth (2.35-2.53 GHz) is realized by full-wave simulator. Agreement between experiment and simulation is observed. © 2012 IEEE.

Research Area(s)

  • Defected ground structure (DGS), differential-/common-mode, notched band, shorted parallel coupled-line, transversal signal-interference

Citation Format(s)

Ultra-wideband differential bandpass filter with narrow notched band and improved common-mode suppression by DGS. / Shi, Suyang; Choi, Wai-Wa; Che, Wenquan et al.
In: IEEE Microwave and Wireless Components Letters, Vol. 22, No. 4, 04.2012, p. 185-187.

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review