Abstract
This letter presents a wideband low-noise amplifier (LNA) which utilizes g <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">m</sub> -boosted and noise-reduction techniques. The proposed DC-coupled 2-stage LNA employs an error amplifier to cancel the DC-offset voltage between the differential DC-coupled paths. The LNA is implemented in 90-nm digital CMOS technology. Within 0.2-2.6 GHz wideband applications, the LNA achieves 24 dB voltage gain, 1.9-2.9 dB NF, - 3 dBm IIP3. The core power of the LNA draws 9 mA from 1V supply voltage and occupies 0.046 mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> .
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