Low Noise Amplifier Design - Part VI — Lesson 6

This lesson covers the low noise amplifier design. It discusses various topologies that can be used for designing the L no amplifier, including common source, common gate, and common source with a source d generation inductor. The lesson also explains how to find out the noise figure, input impedance, gain, and output impedance of an amplifier. It delves into the importance of linearity in LNA design and how to identify and calculate the linearity of an amplifier. The lesson also provides examples of different amplifier configurations and their applications, such as GPS, Bluetooth, IoT, and millimeter wave applications.

Video Highlights

00:25 - Introduction and non-linearity calculation
04:47 - Common source amplifier with source degeneration
13:49 - Common - gate stage
18:44 - GPS application and bluetooth low energy
26:03 - IOT application
30:17 - mm-wave application

Key Takeaways

- Understanding the design of Low Noise Amplifiers (LNAs) is crucial in RF transceiver design.
- Various topologies can be used for designing the LNA, each with its own advantages and disadvantages.
- Linearity is a critical parameter in LNA design, affecting the amplifier's performance.
- Different applications of LNA, such as GPS, Bluetooth, IoT, and millimeter wave applications, require different design considerations.
- Optimizing parameters like noise figure, input impedance, gain, and output impedance can significantly improve the performance of an amplifier.