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We have designed a miniaturized high-temperature superconducting dual-band bandpass filters (DBPFs) using stub-loaded meander line resonators and their applications to tri-band bandpass filters (TBPFs). The DBPF enables independent control of the center frequencies of the first and second bands. The bandwidths of the DBPF can be flexibly adjusted using a capacitance-loaded microstrip line between...
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