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HIGH Tc SUPERCONDUCTING BANDPASS FILTER |
Cao Xiaoneng①; Yang Caibing①; Li Shuqin①; Fang Xizeng①; Yan Xu①;Li Hongcheng②; Wang Ruilan② |
①Institute of Electronics Academia Sinica Beijing 100080;②Institute of physics Acudemia SinicaBeijing 100080 |
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Abstract A four pole microstrip parallel-coupled bandpass filter have been fabir-cated using epitaxial GaBaCuO thin film on LaAlO3 substrate. At 77k, the passband insertion loss is 0.45dB, the bandwidth is 500MHz. And it is suggested that several problems should be considered tor designing a high performance superconducting microstrip line filter.
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Received: 07 July 1993
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