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Linear Circuits 1 - 22 - Operational Amplifiers, Part 2
Rating: 4.7 out of 5(68 ratings)
2,573 students

Linear Circuits 1 - 22 - Operational Amplifiers, Part 2

More Examples of How to Use the Three Laws of Ideal Operational Amplifiers to Solve Any Op Amp Circuit
Created byMark Budnik, Mark M. Budnik
Last updated 9/2020
English
English [Auto],

What you'll learn

  • What are the three laws of ideal operational amplifiers?
  • Why don't I recommend memorizing all those other op amp equations?
  • How can you use the three laws of ideal operation amplifiers to solve a circuit?
  • How to solve more examples

Course content

1 section • 10 lectures • 36m total length

  • Agenda0:03
  • A Word on Linear Circuits Textbooks....0:19
  • Review4:10

    Review the three laws of ideal op-amps, then explore advanced op-amp circuit analysis, Ohm's law restatement, and nodal analysis with superposition and source transformations.

  • Three Ideal Op Amp Laws2:32

    Apply the three ideal op amp laws to analyze non-inverting and inverting configurations. Note that no current flows into the inputs and the output adjusts to satisfy the laws.

  • First Example4:28

    Analyze the first op-amp example by grounding the positive input and zeroing the negative input, showing no current through the resistor and obtaining an output of minus one volt.

  • Second Example3:30

    Explore a voltage follower (buffer) op-amp circuit that keeps the input and the negative input at the same voltage, so the output equals the input.

  • Third Example7:11

    Explore a complex op-amp circuit with a voltage source, current source, and multiple resistors; apply Kirchhoff's current law and Ohm's law step by step to determine V1 as 27 volts.

  • Fourth Example6:04

    Analyze an op-amp circuit with two voltage sources, a current source, and resistors using the three ideal op-amp rules and a ground reference to determine vout.

  • Fifth Example7:19

    Analyze an op-amp circuit with five resistors and a current source, applying ideal op-amp rules, Kirchhoff's laws, and Ohm's law to determine node voltages and the output.

  • Summary0:56

    Solve large op-amp circuit problems by tackling them step by step, recalling fundamentals and the three op laws, and applying them to practical op-amp examples.

Requirements

  • High School or College Physics
  • We Also Recommend Our Previous Linear Circuits Classes

Description

Day 22 of Linear Circuits.  Operational amplifiers are some of the most essential building blocks of electric circuits.  While the circuits themselves can be imposing, we show you three basic laws that hold true for all ideal op amps that allow you to quickly simplify and solve op amp circuits.  After a quick review, we show you how to solve more examples.


The material covers all of the lecture material from an twenty-second lecture in a traditional, sophomore-level linear circuits class.

Who this course is for:

  • Beginner Engineering and Physics Students

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