GPS低噪声放大器，抗无线干扰能力强

Digest of Papers. 2004 Topical Meeting onSilicon Monolithic Integrated Circuits in RF Systems, 2004. Pub Date : 2004-09-08 DOI:10.1109/SMIC.2004.1398171

F. Gruson, H. Schulz, Hans-Joachim Golberg, H. Schumacher, M. Durler, S. Spiegel

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引用次数: 0

摘要

提出了一种具有功率控制选项的SiGe GPS低噪声放大器，并对无线干扰信号具有较高的抗扰性。这些新功能应用于Atmel的ATR0610 GPS LNA，在满足带外线性要求的同时，可以在无线电接口显著节省功耗。结果表明，在1.8 GHz至2 GHz的频率范围内，包括嵌入式预选滤波器在内的噪声系数为2 dB，带外IIP/sub在+8 dBm以上，电流消耗为3 mA。GPS系统性能显示GPS灵敏度低于-141 dBm，积分间隔为5ms。

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GPS low noise amplifier with high immunity to wireless jamming signals

A SiGe GPS low noise amplifier with power control option and high immunity to wireless jamming signals is presented. These novel features applied to Atmel's ATR0610 GPS LNA allow significant power saving at the radio interface while meeting the out-of-band linearity requirements. The results show a noise figure of 2 dB, including the embedded pre-select filter, and an out-of-band IIP/sub 3/ above +8 dBm in the frequency range between 1.8 GHz and 2 GHz with 3 mA current consumption. The GPS system performance shows a GPS sensitivity below -141 dBm with 5 ms integration interval.

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Digest of Papers. 2004 Topical Meeting onSilicon Monolithic Integrated Circuits in RF Systems, 2004.

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