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This paper presents the design and experimental results of a low-voltage low noise amplifier (LNA) with gain and frequency control in a standard 0.18 pm CMOS process. Targeting at a center frequency of 5.8 GHz with a supply voltage of 1 V, the LNA exhibits a power gain of 13.2 dB with a noise figure of 2.5 dB. The circuit has over 10 dB of gain tuning, and 360 M H z of frequency tuning, and can operate at a supply voltage as low as 0.7 V.

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