Tri-band and quad-band filter design using E-shaped resonators

Yi Ting Kuo*, Jian Yu Li, Shi Yu Cheng, Chi-Yang Chang

*Corresponding author for this work

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

5 Scopus citations


The semi-analytic procedure is provided for tri-band and quad-band filter design based on E-shaped resonators. With analytic synthesized procedure in dual-band filter design and connect two filters using double-diplexing configuration, the tri-band and quad-band performances can be achieved. The simulated results for the synthesized filters agree well with the ideal performances after some fine tuning. Two microstrip implementations are provided to demonstrate the reliability of tri-band and quad-band filter design.

Original languageEnglish
Title of host publicationAsia-Pacific Microwave Conference Proceedings, APMC 2011
Number of pages4
StatePublished - 1 Dec 2011
EventAsia-Pacific Microwave Conference, APMC 2011 - Melbourne, VIC, Australia
Duration: 5 Dec 20118 Dec 2011

Publication series

NameAsia-Pacific Microwave Conference Proceedings, APMC


ConferenceAsia-Pacific Microwave Conference, APMC 2011
CityMelbourne, VIC


  • analytic procedure
  • E-shaped resonator
  • multi-band coupling matrix
  • quad-band filter
  • Tri-band filter

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