An HTS Wideband Filter Using Interdigital-Like Resonators at UHF Band

Mingjie Li,Xiaop,Bin Wei,Bisong Cao,Shichao Jin,Xubo Guo,Ying Zhang,Xinxiang Lu,Huili Peng,Baoxin Gao

IEEE Microwave and Wireless Components Letters（2009）

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摘要

A wideband superconducting interdigital-like filter at UHF band has been successfully designed and fabricated. An interdigital-like resonator is proposed to realize both strong coupling and compact size. A ten-pole demonstration high temperature superconducting filter is developed with a center frequency of approximately 340 MHz and a fractional bandwidth of 26%. The measurements show that the ins...

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关键词

High temperature superconductors,Wideband,Resonator filters,Superconducting filters,Microwave filters,Spirals,Band pass filters,Superconducting microwave devices,Superconducting films,Coupling circuits

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