用于802.11b和蓝牙的差分2.4 GHz开关增益CMOS LNA

Proceedings RAWCON 2002. 2002 IEEE Radio and Wireless Conference (Cat. No.02EX573) Pub Date : 2002-11-07 DOI:10.1109/RAWCON.2002.1030157

R. Point, M. Mendes, W. Foley

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引用次数: 24

摘要

本报告介绍了一种用于IEEE 802.11b和蓝牙系统的具有步进增益控制的全差分2.4 GHz LNA。LNA采用商用0.25 um 1P5M混合信号CMOS工艺制造。测量结果表明，增益为14.7 dB，噪声系数为2.88 dB, IIP3为-0.5 dBm。在切换低增益模式下，测量到的增益为-14.2 dB, IIP3为+19 dBm，这将为完全集成的接收器提供额外的29 dB动态范围。

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A differential 2.4 GHz switched-gain CMOS LNA for 802.11b and Bluetooth

This report presents a fully differential 2.4 GHz LNA with step gain control for use in IEEE 802.11b and Bluetooth systems. The LNA was fabricated using a commercial 0.25 um 1P5M mixed signal CMOS process. Measured results show a gain of 14.7 dB, noise figure of 2.88 dB and IIP3 of -0.5 dBm. A gain of -14.2 dB and IIP3 of +19 dBm were measured in the switched low gain mode, which will provide an additional 29 dB of dynamic range to a fully integrated receiver.

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Proceedings RAWCON 2002. 2002 IEEE Radio and Wireless Conference (Cat. No.02EX573)

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