Practice Finding Common Mode Gain - 75.4.2 | 75. Differential Amplifier : Basic Structure and Principle of Operation | Analog Electronic Circuits - Vol 3
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Knowledge

75.4.2 - Finding Common Mode Gain

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does A_d represent in a differential amplifier?

💡 Hint: Think about what differential amplifiers are designed to amplify.

Question 2

Easy

Why do we want A_c to be as small as possible?

💡 Hint: Consider what would happen if noise were amplified.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the ideal relationship between A_d and A_c in a differential amplifier?

  • A_d should be high and A_c should be low
  • A_d and A_c should be equal
  • A_d should be low and A_c should be high

💡 Hint: Recall the basic objectives of a differential amplifier.

Question 2

The differential mode gain (A_d) is primarily affected by what aspect of the amplifier?

  • True
  • False

💡 Hint: Think about what signals A_d serves to amplify.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A differential amplifier with components not matched leads to unexpected behavior at the output. Propose a solution to ensure performance remains robust despite variations.

💡 Hint: Consider methods for stabilizing output against component mismatch.

Question 2

An engineer needs to design a differential amplifier achieving A_d of 2000 while keeping A_c under 5. What design considerations may help achieve these goals?

💡 Hint: Think about component characteristics and their effects on gain.

Challenge and get performance evaluation