An RF-MEMS based SP4T switched LNA MMIC used in a 24 GHz beam-steering antenna module

R. Malmqvist, A. Gustafsson, W. Simon, M.A. Campo, L. Baggen, B. Grandchamp, S. Seok, M. Fryziel, N. Rolland, M. Lahti, P. Rantakari, T. Vaha-Heikkila

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

    Abstract

    This paper presents an RF-MEMS SP4T switched LNA MMIC used in a 24 GHz beam-steering antenna module. The SP4T LNA has a measured gain of 10-16 dB at 16-30 GHz (NF=2.6-3.0 dB at 16-26 GHz) with up to 37 dB of isolation at 24 GHz when one of the four MEMS switches are closed while the other switches are open. To the authors' knowledge, this work represents a first-time realisation of a MEMS SP4T LNA MMIC used as an on-chip active beam-switching network in an adaptive antenna. The experimental results successfully demonstrate that the MEMS SP4T LNA can be used to control the antenna beam in 4 different directions between -55o and 45o in the same plane.
    Original languageEnglish
    Title of host publication10th European Microwave Integrated Circuits Conference (EuMIC)
    PublisherIEEE Institute of Electrical and Electronic Engineers
    Pages329-332
    ISBN (Electronic)978-2-8748-7040-8
    DOIs
    Publication statusPublished - 3 Dec 2015
    MoE publication typeA4 Article in a conference publication
    Event10th European Microwave Integrated Circuits Conference, EuMIC 2015 - Paris, France
    Duration: 7 Sep 20158 Sep 2015
    Conference number: 10

    Conference

    Conference10th European Microwave Integrated Circuits Conference, EuMIC 2015
    Abbreviated titleEuMIC 2015
    CountryFrance
    CityParis
    Period7/09/158/09/15

    Keywords

    • antenna beam-steering
    • low noise amplifiers
    • MMIC
    • radio frequency micro-electromechanical systems
    • switches

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