Operational Amplifiers: Linear Integrated Circuits

Learn the concepts of OP AMPs from Linear Integrated Circuits and solve problems!

What you will learn

Understand the concepts of OP AMPS

Know how to apply principles of electrical engineering for the circuits involving op amps

Using IC741, Build different analog circuits

Solve Problems on Linear Integrated Circuits


The course deals with having a complete understanding on IC741 – Operational Amplifiers, as a part

of Linear Integrated Circuits.

To understand the concepts, there is a video on ‘A review on Network Theory’

The following are the contents discussed:

1. What is IC741?

2. Ideal characteristics of OP AMP

3. Open loop configuration of OP AMP

4. The concept of virtual short and virtual ground

5. Closed loop configuration – Inverting Amplifier, Non Inverting Amplifier

6. DC Characteristics

7. AC Characteristics – Slew Rate

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8. Applications – Voltage Follower, Bufer,

Analog Inverter, Summer, Subtractor

9. Log and Antilog Amplifier, Analog Amplifier

10. Differentiator, Integrator

11. Non Linear Applications – Half Wave Rectifier

12. Open Loop Comparator

13. Zero Crossing Detector

Problems on OP AMPs from competitive examinations will also be solved.

An operational amplifier, or op-amp for short, is a voltage amplifier with external feedback components such as resistors and capacitors connected between its output and input terminals. These feedback components determine the amplifier’s final function or “operation,” and the different feedback topologies, whether resistive, capacitive, or both, allow the amplifier to execute a wide range of operations, earning it the name “Operational Amplifier.”

Operational amplifiers have a large open loop DC gain on their own, but by using Negative Feedback, we can create an operational amplifier circuit with a very accurate gain characteristic that is only dependent on the feedback employed. The term “open loop” refers to the absence of any feedback components around the amplifier, implying that the feedback line or loop is open.



Characteristics of IC741

What is Operational Amplifier?
Ideal Characteristics of an Operational Amplifier
A Review on the Electrical Circuits

Configurations of OP AMP

Open loop configuration of an OP AMP
Concept of Virtual Short and Virtual Ground
Inverting Amplifier
Non Inverting Amplifier

DC and AC Characteristics

DC Characteristics
Slew Rate

Linear and Non Linear Applications

The Voltage Follower or Buffer
Analog Inverter
Non Linear OP AMP – Half Wave Rectifier
Saturated Output of an OP AMP
Open Loop Comparator
Zero Crossing Detector

Mathematical Operations

The Summing Amplifier
Log and Antilog Amplifier
Analog Multiplier
Differentiator or The High Pass Filter
Integrator or the Low Pass Filter


Problem 1
Problem 2
Problem 3
Problem 4
Problem 5

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