Ultrawideband (UWB) Planar Antenna with Single-, Dual-, and Triple-Band Notched Characteristic Based on Electric Ring Resonator

Irina B. Vendik, Alexander Rusakov, Komsan Kanjanasit, Jia-Sheng Hong, Dmitry Filonov

Research output: Contribution to journalArticle

Abstract

The ultrawideband (UWB) planar antenna is designed as a circular metallic patch fed by a coplanar waveguide (CPW). This antenna provides the impedance bandwidth of the wideband response from 2.5 to 12 GHz. To achieve the notched characteristics at desirable frequencies, the electric ring resonator (ERR) incorporated into the CPW feedline is proposed for use in the planar configuration of the UWB antenna. The notched frequency band is controlled by dimensions of the ERR structure. The single-notched band can be obtained by placing a single ERR beneath the CPW structure. For implementation of the multinotch band, a modified multimode structure of the ERR is examined. Reconfigurability of the first notched band is provided by using a digital variable capacitor (DVC) instead of ERR's quasi-lumped capacitance. The results of simulations and measurements are in a good agreement.

Original languageEnglish
Pages (from-to)1597-1600
Number of pages4
JournalIEEE Antennas and Wireless Propagation Letters
Volume16
DOIs
Publication statusPublished - 16 Jan 2017

Keywords

  • Band notch
  • dual-band notched
  • dual-mode ERR (dual-ERR)
  • electric ring resonator (ERR)
  • monopole
  • multimode ERR
  • reconfigurability
  • tri-mode ERR (tri-ERR)
  • triple-band notched
  • ultrawideband (UWB) antenna

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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