Compact wide-stopband quad-band bandpass filter with tunable transmission zeros

Ko Wen Hsu, Wen Hua Tu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

8 Scopus citations

Abstract

A quad-band bandpass filter using double-layered structure has been presented. The proposed filter is principally composed of four pairs of stepped impedance resonators on the top metal layer and middle metal layer. In comparison to the conventional quad-band bandpass filters, the proposed filter has the advantages of compact size and wide-stopband response. Besides, due to multi-path effect, transmission zeros beside the passbands are created to achieve sharp rejection. The full-wave simulator IE3D is used to design the quad-band bandpass filter and to calculate the loaded and unloaded coupling coefficients for each pair of resonators.

Original languageEnglish
Title of host publicationIMS 2012 - 2012 IEEE MTT-S International Microwave Symposium
DOIs
StatePublished - 2012
Event2012 IEEE MTT-S International Microwave Symposium, IMS 2012 - Montreal, QC, Canada
Duration: 17 Jun 201222 Jun 2012

Publication series

NameIEEE MTT-S International Microwave Symposium Digest
ISSN (Print)0149-645X

Conference

Conference2012 IEEE MTT-S International Microwave Symposium, IMS 2012
Country/TerritoryCanada
CityMontreal, QC
Period17/06/1222/06/12

Keywords

  • Bandpass filter
  • Quad band
  • Stepped impedance resonator
  • Transmission zero

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