Basic Electronics Engineering | Operational Amplifier and Its Applications by Pavan | Learn Smarter
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Typing
Memory
Math
English Adventures
Knowledge
Operational Amplifier and Its Applications

The chapter provides an in-depth exploration of operational amplifiers (Op-Amps), detailing their functionality, configurations, and various applications. Key topics include the characteristics of Op-Amps, insights into different input modes, feedback mechanisms, and a range of practical applications such as amplifiers and mathematical operations.

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Sections

  • 1

    Introduction To Operational Amplifiers

    Operational amplifiers (Op-Amps) are high-gain voltage amplifiers essential for signal processing.

    Learning Practice

  • 1.1

    Op-Amp Ic 741

    The Op-Amp IC 741 is a widely used general-purpose operational amplifier noted for its high gain and dual polarity supply.

    Learning Practice

  • 2

    Op-Amp Input Modes And Parameters

    This section explores the input modes of operational amplifiers (Op-Amps) and provides key parameters that define their performance.

    Learning Practice

  • 2.1

    Input Modes

    This section discusses the input modes of operational amplifiers (Op-Amps), focusing on differential mode and common mode.

    Learning Practice

  • 2.2

    Parameters

    This section explores various critical parameters that characterize operational amplifiers, essential for understanding their performance in electronic applications.

    Learning Practice

  • 3

    Open Loop Configuration

    Open loop configuration in operational amplifiers represents a high-gain state without feedback, suitable mainly for comparator applications.

    Learning Practice

  • 4

    Negative Feedback In Op-Amps

    Negative feedback in operational amplifiers is crucial for stabilizing gain and improving performance.

    Learning Practice

  • 5

    Op-Amp Applications

    This section describes various applications of operational amplifiers, including different configurations like inverting and non-inverting amplifiers.

    Learning Practice

  • 5.1

    Inverting Amplifier

    The Inverting Amplifier is an operational amplifier configuration that outputs a signal 180° out of phase with its input and provides a gain determined by the ratio of feedback and input resistances.

    Learning Practice

  • 5.2

    Non-Inverting Amplifier

    A non-inverting amplifier configuration allows input signals to be amplified while maintaining their phase, providing a predictable gain based on resistor values.

    Learning Practice

  • 5.3

    Summing Amplifier

    The summing amplifier is an operational amplifier configuration that adds multiple input signals together.

    Learning Practice

  • 5.4

    Difference Amplifier

    The Difference Amplifier outputs the difference between two input voltages, making it crucial for signal subtraction and noise reduction in various applications.

    Learning Practice

  • 5.5

    Unity Gain Buffer

    The Unity Gain Buffer, also known as a voltage follower, is an operational amplifier configuration that outputs the same voltage as its input, characterized by high input impedance and low output impedance.

    Learning Practice

  • 5.6

    Comparator

    A comparator compares an input voltage signal to a reference value and provides a binary output.

    Learning Practice

  • 5.7

    Integrator

    An integrator using an operational amplifier performs mathematical integration of the input signal.

    Learning Practice

  • 5.8

    Differentiator

    The differentiator is an operational amplifier configuration that produces an output signal proportional to the rate of change of the input signal.

    Learning Practice

References

Module II_ Operational Amplifier and Its Applications.pdf

Class Notes

Memorization

What we have learnt

  • Operational amplifiers are ...
  • Feedback in Op-Amps can sig...
  • Op-Amps have multiple confi...

Final Test

Revision Tests