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    A self-biased 3D tunable helical antenna in ferrite LTCC substrate

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    A Self-Biased 3D Tunable Helical Antenna in Ferrite LTCC Substrate.pdf
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    Type
    Conference Paper
    Authors
    Ghaffar, Farhan A. cc
    Shamim, Atif cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Date
    2015-10-26
    Online Publication Date
    2015-10-26
    Print Publication Date
    2015-07
    Permanent link to this record
    http://hdl.handle.net/10754/582939
    
    Metadata
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    Abstract
    A ferrite LTCC based helical antenna which also provides magneto-static bias for its frequency tuning is presented in this work. The 3D helical-cum-bias winding design avoids the use of large external electromagnets which are traditionally used with ferrite based tunable antennas. This reduces the overall size of the design while making it efficient by getting rid of demagnetization effect experienced at the air-to-ferrite interface. RF choke and DC blocking capacitor, required to isolate the RF and DC passing through a single structure, are integrated within the multi-layer Ferrite LTCC substrate. Magnetostatic and microwave simulations have been carried out for the design optimization. The prototype antenna demonstrates a tuning range of 10 % around 13 GHz. An optimized design with an air cavity is also presented which reduces the biasing power requirement by 40 %.
    Citation
    Abdul Ghaffar, F., & Shamim, A. (2015). A self-biased 3D tunable helical antenna in ferrite LTCC substrate. 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting. doi:10.1109/aps.2015.7305534
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting
    Conference/Event name
    2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting
    DOI
    10.1109/APS.2015.7305534
    Additional Links
    http://ieeexplore.ieee.org/lpdocs/epic03/wrapper.htm?arnumber=7305534
    ae974a485f413a2113503eed53cd6c53
    10.1109/APS.2015.7305534
    Scopus Count
    Collections
    Conference Papers; Electrical and Computer Engineering Program; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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