28.5 GHz单片级联LNA, 70GHz f/sub T/ SiGe hbt

Proceedings of the 31st European Solid-State Circuits Conference, 2005. ESSCIRC 2005. Pub Date : 2005-12-05 DOI:10.1109/ESSCIR.2005.1541566

F. Fortes, J. C. Freire, D. Leenaerts, R. Mahmoudi, A. Roermund

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引用次数: 5

摘要

本文介绍了一种基于SiGe hbt的28.5GHz单片级联码LNA的设计和实验结果。这表明设计频率超过f/sub T//3的电路是可能的。实验结果表明，在3.3V电源电压下，在26GHz频率下，|S/sub 21/| = 10.4dB，输入输出匹配度优于-10dB。测量噪声系数为6.4dB。

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A 28.5 GHz monolithic cascode LNA with 70GHz f/sub T/ SiGe HBTs

This paper presents the design and experimental results of a monolithic cascode LNA for 28.5GHz applications using SiGe HBTs. It shows that designing circuits at frequencies beyond f/sub T//3 is possible. The best experimental results are obtained at 26GHz with a 3.3V supply voltage: |S/sub 21/| = 10.4dB, input and output matching better than -10dB. The measured noise figure is 6.4dB.

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Proceedings of the 31st European Solid-State Circuits Conference, 2005. ESSCIRC 2005.

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