采用半导体变容管的可调谐高温超导带通滤波器

2013 IEEE 14th International Superconductive Electronics Conference (ISEC) Pub Date : 2013-07-07 DOI:10.1109/ISEC.2013.6604296

Chunguang Li, Jia Wang, Y. Bian, Guoqiang Li, Yun Wu, Qiang Zhang, Na Li, Xu Wang, Xueqiang Zhang, Liang Sun, Hong Li, Yusheng He

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引用次数: 4

摘要

设计并制作了一种窄带四极变容调谐高温超导滤波器。滤波器的中心频率可以从430兆赫兹调谐到720兆赫兹，直接电压高达20V。在整个调谐范围内，回波损耗均优于10db。插入损耗在0.8~3.8 dB范围内，3dB分数带宽约3%。

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A tunable high temperature superconducting bandpass filter using semiconductor varactors

A narrow band 4-pole varactor tuned high temperature superconducting (HTS) filter was design and fabricated. The center frequency of the filter can be tuned from 430 MHz to 720 MHz with a direct voltage up to 20V. The return loss is better than 10 dB in the whole tuning range. Insertion loss is in a range of 0.8~3.8 dB with 3dB fractional bandwidth about 3%.

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2013 IEEE 14th International Superconductive Electronics Conference (ISEC)

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