六阶极窄带宽高温超导滤波器的研制
摘要
In this paper, a 6-pole ultra-narrow band high temperature superconducting (HTS) lter is presented. The equivalent model, theoretical result, coupling matrix, simulated result and the layout of the lter are demonstrated. A desired lter is designed and fabricated using double-sided DyBa<sub>2</sub>Cu<sub>3</sub>O<sub>7</sub> thin lms on 2-inch diameter and 0.5 mm thickness MgO wafer. The fractional bandwidth of the lter is only 0.58‰ insertion loss is less than 0.6 dB and the out-band rejection is more than 70 dB. The measurement results show that the response of practical lters is in good agreement with the simulated results.
引用本文（GB/T 7714）
YanQi LI, LaiYun JI, WenBin GAO, 等. 六阶极窄带宽高温超导滤波器的研制[J]. Scientia Sinica Informationis, 2013.
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