Design and Analysis of Low Noise Amplifier Using Source Inductor Degenerative Topology

The design and analysis of a low-noise amplifier (LNA) with improved performance through source inductor degeneration is presented in this study. Modern communication systems require power efficiency, which is why the suggested LNA seeks to optimize gain and minimize noise figure (NF) while preserving power efficiency. A source inductor degeneration technique improves the amplifier's input impedance, which lowers noise and improves linearity. With findings indicating a low noise figure and high gain, the design shows a notable improvement in overall linearity and noise performance. This LNA offers excellent efficiency, stability, and robust performance in settings with strict noise requirements, making it appropriate for use in RF front-end systems. Performance measurements and simulation results confirm that the suggested design is successful. Key Words : Gain, Low Noise Amplifier (LNA), Noise Figure (NF)