Practice Basic structure of a current mirror - 81.1.6 | 81. Current mirror circuits (Part-A) - A | Analog Electronic Circuits - Vol 4
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Knowledge

81.1.6 - Basic structure of a current mirror

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define a current mirror in your own words.

💡 Hint: Consider its function in circuit applications.

Question 2

Easy

What is the importance of high output impedance in current mirrors?

💡 Hint: Think about how fluctuations impact circuit performance.

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 primary function of a current mirror?

  • To amplify voltage
  • To replicate a current
  • To decrease resistance

💡 Hint: Think about what it mirrors.

Question 2

True or False: A high output impedance in a current mirror is desirable.

  • True
  • False

💡 Hint: Reflect on what output impedance achieves.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a current mirror circuit that does not rely on a precise voltage supply and explain how it obtains stability.

💡 Hint: Consider how reference currents operate under various conditions.

Question 2

Evaluate how variations in transistor parameters can affect the accuracy of a current mirror and propose solutions.

💡 Hint: Think about device matching techniques that help maintain current accuracy.

Challenge and get performance evaluation