Self-Actuation Tests of Ohmic Contact and Capacitive RF-MEMS Switches for Wideband RF Power Limiter Circuits

R. Malmqvist, R. Jonsson, C. Samuelsson, S. Reyaz, A. Ouacha, Pekka Rantakari, Tauno Vähä-Heikkilä, Jussi Varis, J. Rydberg

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

    9 Citations (Scopus)

    Abstract

    This paper presents an experimental study on the high power handling capabilities of some ohmic contact based and capacitive RF-MEMS switches (incl. self-actuation tests made up to 18 GHz). Such tests carried out on a series and shunt connected ohmic contact COTS MEMS switch show that self-actuation occurred at 29-37 dBm of RF input power (Pin) given a DC bias (Vbias) of 42-47 V. Corresponding high power tests of a capacitive MEMS switch made on quartz (at 4 GHz) show that self-actuation occurred at Pin=24-31 dBm with Vbias=0-19 V. The experimental results further indicate a potential usefulness of employing ohmic contact and capacitive MEMS switches to realize optimised low-loss wideband power limiter circuits
    Original languageEnglish
    Title of host publicationProceedings of the 2012 International Semiconductor Conference, CAS 2012
    PublisherIEEE Institute of Electrical and Electronic Engineers
    Pages217-220
    ISBN (Electronic)978-1-4673-0738-3
    ISBN (Print)978-1-4673-0737-6
    DOIs
    Publication statusPublished - 2012
    MoE publication typeA4 Article in a conference publication
    Event35th International Semiconductor Conference, CAS 2012 - Sinaia, Romania
    Duration: 15 Nov 201217 Nov 2012

    Conference

    Conference35th International Semiconductor Conference, CAS 2012
    Abbreviated titleCAS 2012
    Country/TerritoryRomania
    CitySinaia
    Period15/11/1217/11/12

    Keywords

    • Limiter
    • radio frequency micro-electro-mechanical systems (RF MEMS)
    • self-actuation
    • switches

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