AllRounder.ai
Chapters in this course

Enrol to start learning

Reading is open to everyone. Enrolling is free, and it is what unlocks the audio lessons, practice tests and progress tracking.

Enrol free
21. Linearization of non-linear circuit containing MOSFET (Contd.)

21. Linearization of non-linear circuit containing MOSFET (Contd.)

The chapter covers the process of linearization in non-linear circuits containing MOSFETs, detailing how to derive small signal equivalent circuits. It emphasizes the importance of small signal parameters such as transconductance and output conductance and the implications of these parameters on circuit analysis at different operating points. Additionally, it explains the simplification and usefulness of these models in various frequency ranges.

Sections

Analog Electronic Circuits

The section discusses the linearization of non-linear circuits containing MOSFETs using small signal equivalent circuits.

21.1 Section Overview

Start current section content and materials

Prof. Pradip Mandal

This section discusses the linearization of non-linear circuits containing MOSFETs, focusing on deriving small signal equivalent circuits.

21.2 Section Overview

Start current section content and materials

Department of Electronics and Electrical Communication Engineering

This section discusses the linearization of non-linear circuits involving MOSFETs to create small signal equivalent circuits.

21.3 Section Overview

Start current section content and materials

Indian Institute of Technology, Kharagpur

This section discusses the linearization of non-linear circuits using MOSFETs, focusing on small signal equivalent circuits.

21.4 Section Overview

Start current section content and materials

Lecture - 21

This section discusses the linearization of non-linear circuits containing MOSFETs and introduces the small signal equivalent circuit and model.

21.5 Section Overview

Start current section content and materials

Linearization of non-linear circuit containing MOSFET (Contd.)

This section discusses the linearization of MOSFET circuits through small signal equivalent modeling, focusing on simplifying the analysis of non-linear circuits.

21.6 Section Overview

Start current section content and materials

21.6.1 Introduction to Linearization

This section introduces the linearization of non-linear circuits containing MOSFETs, focusing on the concept of small signal equivalent circuits.

21.6.2 Small Signal Equivalent Circuit

This section explains the concept of small signal equivalent circuits for MOSFETs, focusing on the linearization of non-linear circuits and the resulting simplified models.

21.6.3 Large Signal vs Small Signal Models

This section discusses the distinctions and applications of large signal and small signal models in analyzing MOSFET circuits.

21.6.4 Transconductance and Operating Point

This section explores the concepts of transconductance and the operating point in MOSFET circuits, emphasizing the transition from large to small signal equivalent models.

21.6.5 Output Conductance

This section focuses on the concept of output conductance in MOSFETs, emphasizing small-signal modeling and linearization methods.

21.6.6 High Frequency Small Signal Model

This section discusses the small signal equivalent model of MOSFETs, emphasizing the linearization process for non-linear circuits and the importance of transconductance.

21.6.7 Numerical Example

This section delves into the linearization of non-linear circuits containing MOSFETs, focusing on deriving a small signal equivalent circuit for practical analysis.

21.6.8 Conclusion

The conclusion summarizes the key findings of linearizing non-linear circuits with MOSFETs and the importance of using small signal models.

Learning Objectives

  • Linearization transforms non-linear circuits into small signal equivalents.

  • Small signal parameters are essential for analyzing circuit behavior under small signal conditions.

  • The small signal model facilitates easier calculations and analysis of MOSFET circuits.

Key Concepts

Small Signal Model

A linearized version of a non-linear circuit that simplifies the analysis of circuit behavior under small variations in input.

Transconductance (gm)

A parameter quantifying the change in output current in response to a change in input voltage, crucial for small signal analysis.

Output Conductance (gd)

A measure of how the output current varies with the output voltage, used in analyzing output characteristics.

Practice Exercises

Total Questions

2

Estimated Time

4 min

Passing Score

70%

Instructions

  • Read each question carefully
  • You can use hints if you need help
  • Complete all questions before submitting
Sign up to take this test

Get your answers marked and your progress tracked

Enrol free