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		题名	作者	年代	出处	被引量
	1	HTS filter subsystem for future mobile communication system显示文摘A high-temperature superconducting(HTS) filter subsystem consisting of a 10-pole HTS filter with group delay self-equalization,a cryogenic low noise amplifier(LNA) ,and a cooling device is presented in this paper. The HTS filter has a 0.51% fractional bandwidth at 1955 MHz,simulated in Sonnet,and is fabricated using double-sided Tl2Ba2CaCu2O8 films on 0.5 mm thick LaAlO3 substrate. Measured responses show that the minimum insertion loss of the filter is 0.16 dB,and the out-of-band rejection is better than 75 dB. The slope is 27 dB MHz-1 at the low band edge and 22 dB MHz-1 at the upper band edge. The HTS filter subsystem has a gain of 19.3 dB and a noise figure(NF) of 0.8 dB. Furthermore,the phase distortion of HTS filters is considered,and an efficient design approach for self-equalized HTS filters is proposed.	ZUO Tao FANG Lan ZHAO XinJie ZUO Xu ZHOU TieGe YAN ShaoLin	2008	Science in China(Series F)2008，51，9：	5

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