Microstrip bandpass filters with dissimilar resonators for suppression of spurious responses

Pu Hua Deng, Shih Cheng Lin, Yo Shen Lin, Chi Hsueh Wang, Chun Hsiung Chen

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

14 Scopus citations

Abstract

Microstrip bandpass filters with an extended rejection bandwidth are proposed, using dissimilar resonators for spurious suppression. The combination of dissimilar resonator structures with same fundamental frequency but with different spurious frequencies may improve the stopband rejection of a bandpass filter by the partially mutual cancellation of spurious responses. Specifically, a 4th-order coupled-resonator microstrip bandpass filter, centered at f 0=1.97GHz, with better than 21.48 dB stopband rejection up to 9.72 GHz (4.93f0) is implemented and investigated.

Original languageEnglish
Title of host publication35th European Microwave Conference 2005 - Conference Proceedings
Pages1263-1266
Number of pages4
DOIs
StatePublished - 2005
Event2005 European Microwave Conference - Paris, France
Duration: 4 Oct 20056 Oct 2005

Publication series

Name35th European Microwave Conference 2005 - Conference Proceedings
Volume2

Conference

Conference2005 European Microwave Conference
Country/TerritoryFrance
CityParis
Period4/10/056/10/05

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