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An L-band receiver-front-end-architecture using adaptive Q-enhancement techniques in 65nm CMOS as enabler for single-SAW GPS receivers

By C. Schultz, H. Doppke, M. Hammes, R. Kreienkamp, L. Lemke and S. van Waasen


A GPS receiver front-end achieves high dynamic input range by using Q-enhancement circuitry. In mobile phone environments the Q of the LNA is automatically increased, improving blocker performance by 11.3dB. The area is 1.9mm2 fabricated in a 65nm CMOS process without RF options and requires 25mA from a 1.3V supply with a system NF of 1.5dB

Publisher: IEEE
Year: 2011
DOI identifier: 10.1109/RFIC.2011.5940615
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