Design of 3.1 to 10.6GHz Ultra-wideband Low Noise Amplifier with Current Reuse Techniques and Low Power Consumption

摘要

This paper presents a 3.1 to 10.6 GHz ultra-dwideband (UWB) low noise amplifier (LNA) using a current-reused technique and wideband input matching network is proposed. The implemented LNA presents a maximum power gain of 12.8 dB, and a good input matching in the required band. An excellent noise figure (NF) of 2.97 to 6.04 dB was obtained in the frequency range of 3.1 to 10.6 GHz with a power dissipation of 10.13mW under a 1.8-V DC power supply. The finished chip size is 1.26×1.05mm2. The proposed UWB LNA is implemented by TSMC 0.18 μm CMOS technology.