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窄带大功率高温超导滤波器的研制

WANG Yue-hui,ZHANG Xue-qiang,HE Xiao-feng,GAO Lu,YU Tao,ZHANG Qiang,LI Hong,LI Chun-guang,GU Chang-zhi,LI Jun-jie,LI Wu-xia,He Yu-sheng

Chinese Journal of Low Temperature Physics（2010）

Cited 23|Views42
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Abstract
本文中,我们介绍一个中心频率大约为2.015GHz,相对带宽小于0.35%,通带内回波损耗大于20dB,带外零点高度大约为-45dB,通带内插损小于0.2dB的窄带四阶双模片型高温超导滤波器.我们对该滤波器在不同输入功率下的传输特性曲线进行了测试,测试结果表明,在输入微波信号功率值为11.7W的情况下,该器件的传输特性曲线没有发生显著退化.
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high-power filter,narrow-band,HTS
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