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1.8 dB NF 3.6 mW CMOS active balun low noise amplifier for GPS

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4 Author(s)
Y. Ji ; Institute of Microelectronics, Peking University ; C. Wang ; J. Liu ; H. Liao

A 1.227 GHz low power single-ended input, differential output low noise amplifier (balun LNA) for GPS is proposed. A two stage structure with current-reused technique is adopted to achieve low power, low noise factor and high voltage gain simultaneously. The LNA is fabricated in 0.18 ??m CMOS process, consuming only 2 mA current from a 1.8 V supply. The LNA is measured to exhibit a differential voltage gain of 30.4 dB and a noise figure of 1.8 dB.

Published in:

Electronics Letters  (Volume:46 ,  Issue: 3 )