Miniaturized dual-mode ring resonator bandpass filter with microstrip-to-CPW broadside-coupled structure

Yi Chyun Chiou*, Jen Tsai Kuo, Juo Shiuan Wu

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

16 Scopus citations

Abstract

A microstrip-to-coplanar waveguide broadside-coupled section is used to replace a 3λ/4-section of the conventional dual-mode 1 λ-ring resonator filter for circuit area miniaturization. It is believed that it is a new idea to incorporate the broadside-coupled section into a ring resonator filter for size reduction. For design purpose, some important characteristics of the broadside-coupled lines are investigated. In experiments, two realized circuits show only 19.4% of the area of a uniform ring. Measured responses show good agreement with simulation.

Original languageEnglish
Pages (from-to)97-99
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Volume18
Issue number2
DOIs
StatePublished - 02 2008
Externally publishedYes

Keywords

  • Bandpass filter (BFF)
  • Broadside-coupled
  • Dualmode
  • Miniaturized
  • Ring resonator

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