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Miniaturized dual-mode spiral-ring resonator bandpass filter

  • Tsu Wei Lin*
  • , Jen Tsai Kuo
  • , Shyh Jong Chung
  • *Corresponding author for this work
  • National Yang Ming Chiao Tung University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

3 Scopus citations

Abstract

A dual-mode ring resonator filter is devised to have a miniaturized size and its performance investigated. By placing an inductive perturbation at an asymmetric position, with respect to the input and output ports, two transmission zeros are created on the both sides of the passband. The miniaturization is achieved by folding the microstrip ring trace into a spiral configuration, incorporating with metallic via-holes and coplanar waveguide sections as the interconnection. The circuit size is only 20.5% of that of a conventional ring resonator. Measured results show good agreement with the simulation.

Original languageEnglish
Title of host publication2012 Asia-Pacific Microwave Conference, APMC 2012 - Proceedings
Pages1127-1129
Number of pages3
DOIs
StatePublished - 2012
Event2012 Asia-Pacific Microwave Conference, APMC 2012 - Kaohsiung, Taiwan
Duration: 04 12 2012 → 07 12 2012

Publication series

NameAsia-Pacific Microwave Conference Proceedings, APMC

Conference

Conference2012 Asia-Pacific Microwave Conference, APMC 2012
Country/TerritoryTaiwan
CityKaohsiung
Period04/12/12 → 07/12/12

Keywords

  • Bandpass filter
  • asymmetric structure
  • dual-mode
  • miniaturization
  • ring resonator

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