Low noise amplifiers (LNAs) are a crucial component of RF circuits such as receivers. The noise figure (NF) determines on LNA performance. There are several different noise cancellation techniques. For example, to reduce noise, a feedforward-type noise removal method is effective. In this paper, we propose a new feed-forward noise cancellation method considering two different signal paths and compare it with the conventional NF based method. Specter simulations were performed using a 0.18µm 1-poly 5-metal CMOS BSIM model.
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