Measurements of the Harmonics Oscillations and their Contribution to Intermodulation in the Bulk Acoustic Wave Resonators

Arto Nurmela, Hannu Salminen, Markku Ylilammi

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

    Abstract

    The GHz radio frequency filters are usually made by connecting several bulk acoustic wave (BAW) resonators to a ladder form. The harmonic oscillations became significant in the BAW resonator when the resonator are driven with high power. The intermodulation in the BAW resonators caused by the harmonic oscillations of several signal frequencies may distort the radio signal in the filter. In this study the power levels of the second and the third harmonic oscillations near the resonance frequencies of BAW resonators have been measured. These harmonic oscillation results are compared with results at the intermodulation.
    Original languageEnglish
    Title of host publicationProceedings of the XLII Annual Conference of the Finnish Physical Society 2008
    Place of PublicationTurku
    PublisherUniversity of Turku
    ISBN (Print)978-951-29-3515-4
    Publication statusPublished - 2008
    MoE publication typeB3 Non-refereed article in conference proceedings
    EventXLII Annual Conference of the Finnish Physical Society - Turku, Finland
    Duration: 27 Mar 200829 Mar 2008

    Conference

    ConferenceXLII Annual Conference of the Finnish Physical Society
    CountryFinland
    CityTurku
    Period27/03/0829/03/08

    Keywords

    • bulk acoustic wave resonator
    • harmonic oscillation
    • high power level
    • intermodulation

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