J. Borremans, P. Wambacq, G. V. D. Plas, Y. Rolain, M. Kuijk
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A switchable low-area 2.4-and-5 GHz dual-band LNA in digital CMOS
Contemporary multistandard receivers implement the LNA functionality with either broadband LNAs, multiple separate LNAs or multiband LNAs. For system linearity, integration and area consumption, a multiband LNA could be preferable. This work demonstrates a switchable, 2.4-and-5 GHz dual-band feedback LNA, on an area as low as 40times160 mum2. Over 20 dB of gain is attained for a NF of 2.1 dB and a power consumption of 3.8 mW, indicating that the solution is suitable for low-cost multistandard receivers implemented in digital CMOS.
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