TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan)
Online ISSN : 1880-0408
Print ISSN : 0389-2441
ISSN-L : 0389-2441
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Volume 49, Issue 10
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Preface
Original
  • Design of Superconducting Dual-band Bandpass Filter using Stub-loaded Hair-pin Resonators
    Shunsuke SUGIYAMA, Atsushi SAITO, Shigetoshi OHSHIMA, Naoto SEKIYA
    2014 Volume 49 Issue 10 Pages 534-540
    Published: October 25, 2014
    Released on J-STAGE: November 14, 2014
    DOIhttps://doi.org/10.2221/jcsj.49.534
    JOURNAL FREE ACCESS
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    A high-temperature superconductor (HTS) dual-band bandpass filter (BPF) has been developed using stub-loaded hair-pin resonators. The main advantage of the filter is to allow independent control of the center frequency of the first and second bands. Flexible adjustment of the coupling coefficient can be achieved using a pair of H-shaped waveguides. We designed and analyzed a 3-pole HTS dual-band BPF. The filter was fabricated using YBa2Cu3Oy thin film on an Al2O3 substrate. The measured frequency responses of the filter agree well with those obtained during simulation.
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