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A 4.5-GHz low-noise amplifier (LNA) utilizing a current-reused technique and a simple LC matching network is proposed. The implemented LNA presents a maximum gain of 35.22-dB by using inductive peaking technique, and a good input matching of 50Ω in the required band. An excellent noise figure (NF) of 2.255-dB was obtained in the frequency range of 4.5-GHz with a power dissipation of 5.04mW under a...
This paper presents the design of a CMOS variable gain low noise amplifier used for ultra wideband applications. A current reuse technique is applied to the resistive feedback amplifier to widen the gain tuning range. A common source amplifier is cascoded to achieve high gain and gain controllability. The LNA is designed to operate at 1.4V supply voltage and is implemented in TSMC 0.18µm CMOS technology...
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