Design of compact quad-band bandpass filter using semi-lumped resonators

Ko Wen Hsu, Jui Hsiang Lin, Wei Chung Hung, Wen Hua Tu

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

6 Scopus citations

Abstract

A compact quad-band bandpass filter using semi-lumped resonators is presented. The proposed filter is composed of four pairs of semi-lumped resonators, which consist of microstrip sections and lumped inductors. Compared with the conventional half-wavelength uniform-impedance resonator, the proposed resonator achieves a compact size due to the lumped inductor employed. Moreover, transmission zeros appear in the stopband to improve the passband selectivity. The proposed quad-band bandpass filter achieves not only compact size but also good passband selectivity.

Original languageEnglish
Title of host publication2013 IEEE MTT-S International Microwave Symposium Digest, MTT 2013
DOIs
StatePublished - 2013
Event2013 IEEE MTT-S International Microwave Symposium Digest, MTT 2013 - Seattle, WA, United States
Duration: 2 Jun 20137 Jun 2013

Publication series

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

Conference

Conference2013 IEEE MTT-S International Microwave Symposium Digest, MTT 2013
Country/TerritoryUnited States
CitySeattle, WA
Period2/06/137/06/13

Keywords

  • Quad-band bandpass filter
  • Semi-lumped element

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