Analog Devices And Circuits : Amplifiers Analysis

DC and AC Analysis of Transistor , Feedback amplifiers

What you'll learn

Understand and analyze the characteristics of BJT and MOSFET devices, including their structure, operation, biasing techniques

Design and evaluate single-stage and multistage transistor amplifiers BJT and MOSFET using small-signal models, with emphasis on gain, input, output impedance,

Apply feedback principles in amplifier design by studying different feedback topologies and their effects on stability, gain, bandwidth, and distortion.

Design and analyze practical oscillator circuits RC, Wein Bridge, Hartley, Colpitts, and Crystal and determine conditions for sustained oscillations.

Requirements

This course requires no prerequisites — we start from scratch, making it perfect for beginners, while still offering depth for advanced learners

Description

Welcome to this comprehensive course on Electronic Devices and Circuits, designed to provide you with both clarity in fundamentals and confidence in applications. Whether you are a beginner stepping into electronics or a learner aiming to strengthen your foundation, this course will guide you through the most essential concepts with a clear, structured approach.In Session 1, we begin with the DC characteristics of transistors, where you will understand how biasing establishes a stable operating point and ensures reliable circuit performance. This strong foundation is essential before moving into dynamic circuit behavior.In Session 2, we explore the small-signal AC analysis of transistors. You will learn how signals are amplified, how gain is controlled, and how real-world circuits are designed to balance efficiency and performance. This session bridges theory with practical applications, giving you a deeper appreciation of amplifier design.In Session 3, the course concludes with an insightful journey into feedback amplifiers. Here, you will discover how feedback enhances stability, reduces distortion, and improves precision in electronic systems.By the end of this course, you will not only master these fundamental topics but also develop the confidence to analyze and design circuits that form the backbone of modern electronics.

Overview

Section 1: Transistor Characteristics

Lecture 1 Introduction

Lecture 2 Transistor DC Line and Operating point

Lecture 3 Operating Point of Transistor

Lecture 4 Stability of Operating Point

Lecture 5 BJT-Fixed bias

Lecture 6 Voltage Divider Bias

Lecture 7 Biasing of FET and MOSFET

Section 2: Analysis of Transistor Amplifiers

Lecture 8 Small signal analysis of BJT CE amplifier

Lecture 9 Hybrid - Pi model with Early Effect

Lecture 10 Analysis of Common Base amplifier

Lecture 11 Analysis of Common Collector amplifier

Lecture 12 Small Signal low frequency analysis of CE with Emitter Resistance

Lecture 13 Problem Solving Session 1

Lecture 14 Problem Solving Session - 2

Lecture 15 Small Signal Analysis of MOSFET

Lecture 16 MOSFET- Common Source Amplifier analysis

Lecture 17 MOSFET - Analysis of Common Source with source resistance.

Lecture 18 MOSFET - Common Gate Analysis

Lecture 19 MOSFET-Common Drain analysis

Lecture 20 Problem Session - 1

Lecture 21 Problem Session - 2

Section 3: Feedback Amplifiers

Lecture 22 Introduction to Feedback amplifiers

Lecture 23 Voltage Series configuration

Lecture 24 Current Series Configuration

Lecture 25 Current Shunt Configuration

Lecture 26 Voltage Shunt Configuration

Undergraduate ECE students who want to strengthen their understanding of analog devices and circuits.,Electronics hobbyists and beginners curious about how transistors, amplifiers, and oscillators work.