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An ultra-low-power transformer-based K-band receiver front-end is implemented in a 65 nm CMOS technology. For noise and input matching, a gate-to-source transformer-feedback technique is applied to the first-stage of the LNA. A transformer-based gain-boosting feedback technique is adopted in the second-stage of the LNA for further gain enhancement without additional dc power. Several transformers...
In this paper, a gm-boosted low-noise amplifier (LNA) with a low-voltage architecture is proposed to enhance gain and noise performance under low-power operation. It is designed at 5-GHz using 0.18-μm CMOS process. By employing current-reused, and forward-body-bias techniques, LNA can operate at a reduced supply voltage with micro-watt dc power consumption. In addition, gm-boosted topology using transformer-coupling...
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