Design of quad-band bandpass filter with multiple transmission zeros

J. Y. Wu, W. H. Tu

Research output: Contribution to journalArticlepeer-review

53 Scopus citations

Abstract

A quad-band bandpass filter utilising stub-loaded resonators is presented. The symmetric resonator is analysed by using even-mode and odd-mode technique. The resonator provides one transmission zero and four transmission poles for the four passbands. With the multi-line input/output coupling configuration and multipath propagation between the meandering resonators, one can generate two additional transmission zeros to improve the suppression among passbands and achieve a high design freedom for the four passbands.

Original languageEnglish
Pages (from-to)502-503
Number of pages2
JournalElectronics Letters
Volume47
Issue number8
DOIs
StatePublished - 14 Apr 2011

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