Tunable bandstop filter with a 17-to-1 upper passband

Eric J. Naglich, Juseop Lee, Dimitrios Peroulis

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    17 Citations (Scopus)

    Abstract

    Tunable bandstop filters with wide upper passbands are important in systems that operate over a wide frequency range in the presence of dynamic interference. This paper shows a tunable bandstop filter with a 17-to-1 ratio between its upper passband cutoff frequency and its lowest notch center frequency. The wide upper passband results from the combination of highly-loaded resonators and a new external coupling structure that is well-matched to the filter's port impedance over a wide frequency range. The filter described in this paper can attenuate a UHF signal while allowing for low-loss transmission or reception of signals at X-band frequencies.

    Original languageEnglish
    Title of host publicationIMS 2012 - 2012 IEEE MTT-S International Microwave Symposium
    DOIs
    Publication statusPublished - 2012
    Event2012 IEEE MTT-S International Microwave Symposium, IMS 2012 - Montreal, QC, Canada
    Duration: 2012 Jun 172012 Jun 22

    Publication series

    NameIEEE MTT-S International Microwave Symposium Digest
    ISSN (Print)0149-645X

    Other

    Other2012 IEEE MTT-S International Microwave Symposium, IMS 2012
    Country/TerritoryCanada
    CityMontreal, QC
    Period12/6/1712/6/22

    Keywords

    • Filters
    • Microwave filters
    • Passive filters
    • Tunable filters
    • Tunable resonators

    ASJC Scopus subject areas

    • Radiation
    • Condensed Matter Physics
    • Electrical and Electronic Engineering

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