Design and wideband spurious performance prediction for a mixed-resonator combline/TE01-mode DR filter using FDTD

Andrew R. Weily, Ananda S. Mohan

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)


    A four-pole mixed-resonator filter comprised of combline resonators and TE01-mode dielectric resonators (DRs) has been designed using the FDTD method so that only minimal tuning of the prototype is required. Resonant frequencies, interresonator coupling through rectangular slots, and unloaded Q-values are calculated for the DR and the combline resonator, and they compare extremely well with results available in the literature. S-parameters are computed over a large bandwidth to validate the improved spurious performance of the filter, and they give excellent agreement with measured results.

    Original languageEnglish
    Pages (from-to)266-273
    Number of pages8
    JournalMicrowave and Optical Technology Letters
    Issue number5
    Publication statusPublished - 5 Dec 1999


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