Mixed LTCC ultra compact S-band filters with wide multispurious stopband

Laetitia Rigaudeau, Dominique Baillargeat, Serge Verdeyme, Markku Lahti, Kari Kautio

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

    3 Citations (Scopus)


    In this paper, two main objectives were validated. The first one was to develop and validate an original new hybrid Low Temperature Co-fired Ceramic process mixing both low- permittivity (low-K) and high-permittivity (high-K) materials in the same substrate. This approach proceeds to be very efficient in decreasing circuits dimensions. The second objective was to design a novel compact S-band filter based on this new technology, with high electrical performances and wide multispurious stopband. A two-pole bandpass filter functioning at a central frequency f0 = 2.52 GHz with 13 % relative bandwidth and very low insertion losses was optimized and manufactured successfully, validating the technology and the theoretical approach. The conceived structure is very compact and presents an excellent frequency isolation.
    Original languageEnglish
    Title of host publicationProceedings of the 2007 Asia-Pacific Microwave Conference, APMC 2007
    Place of PublicationPiscataway
    PublisherIEEE Institute of Electrical and Electronic Engineers
    Number of pages4
    ISBN (Electronic)978-1-4244-0749-1
    ISBN (Print)978-1-4244-0748-4
    Publication statusPublished - 2007
    MoE publication typeA4 Article in a conference publication
    EventAsia-Pacific Microwave Conference, APMC 2007 - Bangkok, Thailand
    Duration: 11 Dec 200714 Dec 2007


    ConferenceAsia-Pacific Microwave Conference, APMC 2007
    Abbreviated titleAPMC 2007


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