用于MeetKAT阵列的混合低温低噪声放大器

2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) Pub Date : 2014-07-13 DOI:10.1109/ANTEM.2014.6887699

F. Jiang, S. Claude, D. Garcia

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引用次数: 8

摘要

采用混合微波集成电路技术为MeerKAT阵列设计和开发了l波段(900-2100 MHz)超低噪声放大器。该低噪声放大器实现了2k的噪声温度，超过40db的增益，S11和S22在15k环境下优于-11和- 15db。验证了线性度和增益压缩。研究了冷却温度在15 ~ 85 K范围内的噪声性能。

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Hybrid cryogenic low noise amplifier for the MeetKAT array

Hybrid microwave integrated circuit technology is used to design and develop an L-band (900-2100 MHz) ultra-low noise amplifier for the MeerKAT array. This low noise amplifier achieved 2 K noise temperature, more than 40 dB gain, S11 & S22 better than -11 & -15 dB at 15 K ambient. Linearity and gain compression is verified. The noise performance is explored as the cooling temperature changes from 15 to 85 K.

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来源期刊

2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM)

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