Analysis of Low-Noise Amplifier

Low-noise amplifiers (LNAs) are some of the simplest yet the most essential devices in the field of engineering. In its most basic sense, an LNA is an electronic device that boosts a lower-power signal to a sufficient level without creating significant disruption in the circuit's signal-to-noise ratio. In this study, the author tried to create an LNA design through various techniques and optimization. Specifically, the researcher focused on several ways to achieve the goals of creating an LNA, such as the Multi-band OFDM modulation, polarity modulation or short pulses transmission, and other types of techniques that have been utilized in various studies. Accordingly, the study proceeds with the creation of the circuit design and the analysis of various aspects related to it, such as the use of complementary metal-oxide-semiconductors (CMOS), designing of bias circuits, creation of linear dynamic indicators, and the balancing of power consumption and functional stability. By the end of the study, the author has found out that despite the effectiveness of the use of inductive source degeneration, the inevitable performance loss suggests the need for further research in better materials and the improvement of the input matching network layout.