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Analog Devices and Circuits : Amplifiers analysis
Rating: 3.8 out of 5(16 ratings)
19 students

Analog Devices and Circuits : Amplifiers analysis

DC and AC Analysis of Transistor , Feedback amplifiers
Created byVasudevan B, Dr.S.UMA MAHESWARI
Last updated 9/2025
English

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.

Course content

3 sections • 25 lectures • 4h 36m total length

  • Introduction15:02

    Understand the working of BJT

  • Transistor DC Line and Operating point15:03

    Understanding the Basic parameters of Transistor

  • Operating Point of Transistor14:34

    Understand the concept of DC Load line and Operating Point

  • Stability of Operating Point9:21

    Understanding the stability of Operating Point

  • Voltage Divider Bias13:42

    Explain the voltage divider bias for a BJT, using a Thevenin base source to stabilize the operating point through negative feedback, and design RC, R1, R2 for a given VCC.

  • Biasing of FET and MOSFET13:02

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.

Who this course is for:

  • 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.

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