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首页> 外文期刊>IEEE Transactions on Microwave Theory and Techniques >0.3–14 and 16–28 GHz Wide-Bandwidth Cryogenic MMIC Low-Noise Amplifiers
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0.3–14 and 16–28 GHz Wide-Bandwidth Cryogenic MMIC Low-Noise Amplifiers

机译:0.3–14和16–28 GHz宽带低温MMIC低噪声放大器

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摘要

We present two monolithic microwave integrated circuit (MMIC) cryogenic broadband low-noise amplifiers (LNAs) based on the 100 nm gate length InP high-electron mobility transistor technology for the frequency range of 0.3-14 and 16-28 GHz. The 0.3-14 GHz three-stage LNA exhibited a gain of 41.6 ± 1.4 dB and an average noise temperature of 3.5 K with a minimum noise temperature of 2.2 K at 6 GHz when cooled down to 4 K. The 16-28 GHz three-stage LNA showed a gain of 32.3 ± 1.8 dB and an average noise temperature of 6.3 K with a minimum noise temperature of 4.8 K at 20.8 GHz at the ambient temperature of 4 K. This is the first demonstration of cryogenic MMIC LNA covering the whole K-band. To the best of the authors' knowledge, the cryogenic MMIC LNAs demonstrated the state-of-the-art noise performance in the 0.3-14 and 16-28 GHz frequency range.
机译:我们介绍了两种基于100 nm栅极长度InP高电子迁移率晶体管技术的单片微波集成电路(MMIC)低温宽带低噪声放大器(LNA),适用于0.3-14 GHz和16-28 GHz的频率范围。当冷却至4 K时,0.3-14 GHz三级LNA的增益为41.6±1.4 dB,平均噪声温度为3.5 K,在6 GHz时的最低噪声温度为2.2K。 LNA阶段的增益为32.3±1.8 dB,平均噪声温度为6.3 K,在环境温度为4 K时,在20.8 GHz时的最低噪声温度为4.8K。这是覆盖整个K轴的低温MMIC LNA的首次演示-带。据作者所知,低温MMIC LNA在0.3-14 GHz和16-28 GHz频率范围内表现出最先进的噪声性能。

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