Dual-band microstrip bandstop filter using dual-mode loop resonator

H. K. Chiou, C. F. Tai

Research output: Contribution to journalArticlepeer-review

41 Scopus citations


A dual-band bandstop filter (DBBSF) with a dual-mode loop resonator is presented. In order to allow the DBBSF to exhibit high skirt selectivity and to generate a wide rejection bandwidth a capacitive coupled-line section is introduced. By properly controlling the length of the coupled-line section and the cross-coupled capacitor, more than two finite transmission zeros were inserted at the stopband and enhanced the rejection bandwidth.

Original languageEnglish
Pages (from-to)507-509
Number of pages3
JournalElectronics Letters
Issue number10
StatePublished - 2009


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