Capacitively loaded spiral-shaped resonator for coplanar waveguide

Wang Ik Son, Won Gyu Lim, Dong Zo Kim, Moon Que Lee, Jong Won Yu

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

A new coplanar waveguide bandstop filter using capacitively loaded spiral-shaped resonator is proposed. The filter consists of a rectangular stepped coplanar waveguide and a spiralshaped slot in the center conductor. By embedding capacitor in the spiral-shaped slot, tunable bandstop filter can be implemented, and tuning range from 1.5 to 3.0 GHz have been obtained.

Original languageEnglish
Pages (from-to)3001-3004
Number of pages4
JournalMicrowave and Optical Technology Letters
Volume51
Issue number12
DOIs
StatePublished - Dec 2009

Keywords

  • CPW
  • Defected ground structures(DGS)
  • Index terms-tunable bandstop resonator
  • Spiral

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