Wideband bandpass filter based on ring resonator with high selectivity and multiple transmission zeros

J. G. Zhou, Y. C. Chiang, W. Q. Che

Research output: Contribution to journalJournal Article peer-review

9 Scopus citations

Abstract

A high-selectivity wideband bandpass filter consisting of a ring resonator and stepped impedance resonators is proposed. A wideband bandpass filter with multiple transmission poles and transmission zeros is obtained. For demonstration, a prototype operating at the frequency band of 4.14-9.56 GHz (with a fractional bandwidth of 79.1%) is designed and fabricated. Good agreements between the simulated and the measured results have been observed, indicating a very sharp out-of-band rejection.

Original languageEnglish
Pages (from-to)384-386
Number of pages3
JournalElectronics Letters
Volume50
Issue number5
DOIs
StatePublished - 27 02 2014

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