10k室温LNA用于SKA波段1

2016 IEEE MTT-S International Microwave Symposium (IMS) Pub Date : 2016-08-11 DOI:10.1109/MWSYM.2016.7540344

J. Schleeh, N. Wadefalk, P. Nilsson, J. Grahn

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引用次数: 9

摘要

设计、制作并测试了一种适用于平方公里阵列频段1 (0.35-1.05 GHz)的室温LNA。该设计基于InP hemt，并专注于最小化输入匹配网络中的损耗。采用两个不同实验室的噪声测量方法，确定了LNA的10 K噪声温度。增益稳定在50 dB，输入和输出回波损耗在大部分频带内都优于10 dB。

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10 K room temperature LNA for SKA band 1

A room temperature LNA suitable for Square Kilometer Array band 1 (0.35-1.05 GHz) has been designed, fabricated and tested. The design is based on InP HEMTs, and focused on minimizing losses in the input matching network. Noise measurement methods in two different labs were used to confirm the 10 K noise temperature of the LNA. The gain was flat at 50 dB and the input and output return loss better than 10 dB in most of the band.

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2016 IEEE MTT-S International Microwave Symposium (IMS)

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