Practice Common Mode Gain Calculation - 89.2.4 | 89. Numerical examples on current mirror and its applications (Part-D) | Analog Electronic Circuits - Vol 4
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Knowledge

89.2.4 - Common Mode Gain Calculation

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define common mode gain in the context of differential amplifiers.

💡 Hint: Think about what happens to signals that are identical at both inputs.

Question 2

Easy

What is the role of a current mirror in a differential amplifier?

💡 Hint: Consider the function of copying currents in the circuit.

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 common mode gain of a differential amplifier designed for high performance?

  • High
  • Low
  • Equal to differential gain

💡 Hint: Reflect on the purpose of differential amplifiers.

Question 2

True or False: The current mirror helps to equalize the quiescent currents in a differential amplifier.

  • True
  • False

💡 Hint: Remember the role of current mirrors in circuit performance.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a differential amplifier with a current mirror that maintains a differential mode gain of 300 while ensuring the common mode gain remains below 0.1. Calculate the needed parameters.

💡 Hint: Consider how varying the values affects both gains.

Question 2

Given a common mode voltage applied to a differential amplifier, analyze how the current mirror's performance gets affected and quantify any changes in output voltage.

💡 Hint: Focus on the characteristics of output voltage variation with common inputs.

Challenge and get performance evaluation