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A 3.1–10.6 GHz Ultra-Wideband CMOS Low Noise Amplifier With Current-Reused Technique

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4 Author(s)
Yi-Jing Lin ; Electr. Eng. Dept., Nat. Tsinghua Univ., Hsinchu ; Hsu, S.S.H. ; Jun-De Jin ; Chan, C.Y.

A 3.1-10.6 GHz ultra-wideband (UWB) low noise amplifier (LNA) utilizing a current-reused technique and a simple high-pass input matching network is proposed. The implemented LNA presents a maximum power gain of 16dB, and a good input matching of 50Omega in the required band. An excellent noise figure (NF) of 3.1-6dB was obtained in the frequency range of 3.1-10.6GHz with a power dissipation of 11.9mW under a 1.8-V power supply. The proposed UWB LNA demonstrates the highest power gain and lowest NF among the published works in 0.18-mum CMOS technology

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:17 ,  Issue: 3 )