三输入单芯片分集LNA

Proceedings RAWCON 98. 1998 IEEE Radio and Wireless Conference (Cat. No.98EX194) Pub Date : 1998-08-09 DOI:10.1109/RAWCON.1998.709205

U. Lott

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引用次数: 2

摘要

针对采用天线分集的移动终端，实现了一种具有分集功能的单片集成三输入低噪声放大器(LNA)样机。分集LNA在4 ~ 5 GHz范围内增益大于10db，噪声系数小于4db。相比之下，在同一晶圆上制作的单个LNA表现出非常相似的性能。与带开关的多芯片LNA相比，芯片面积减少了30%以上，功耗降低了50%。

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Triple input single chip diversity LNA

For mobile terminals using antenna diversity, a prototype monolithic integrated triple input low noise amplifier (LNA) with diversity function has been realized. The diversity LNA has more than 10 dB gain and less than 4 dB noise figure from 4 to 5 GHz. For comparison, a single LNA was fabricated on the same wafer showing very similar performance. The chip area is reduced by more than 30% and the power consumption by 50% compared to a multichip LNA with a switch.

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来源期刊

Proceedings RAWCON 98. 1998 IEEE Radio and Wireless Conference (Cat. No.98EX194)

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