An Optimal Design of a Short-Channel RF Low Noise Amplifier Using a Swarm Intelligence Technique

Abstract

In this paper, an optimal sizing of a cascode short-channel CMOS low noise amplifier (LNA) with inductive source degeneration by using the ant colony optimization (ACO) and the artificial bee colony (ABC) techniques is presented. The reason for employing this proposed topology is to provide a high conversion gain and improved noise figure (NF) at the operating frequency of 2.3 GHz. In order to validate the obtained results by ACO and ABC techniques, the advanced design system (ADS) simulator is used for this purpose using 90 nm CMOS technology.