Practice Small signal model of current mirror - 81.1.5 | 81. Current mirror circuits (Part-A) - A | Analog Electronic Circuits - Vol 4
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the primary purpose of a current mirror?

πŸ’‘ Hint: Consider what kind of stability is necessary in amplifiers.

Question 2

Easy

Name two critical characteristics of current mirrors.

πŸ’‘ Hint: What does a high output impedance help achieve?

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 main feature of a current mirror?

  • It amplifies voltage
  • It copies current
  • It stores energy

πŸ’‘ Hint: Think about what current mirrors are often used for in circuits.

Question 2

True or False: Current mirrors always have low output impedance.

  • True
  • False

πŸ’‘ Hint: What does low output impedance imply about the circuit performance?

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a current mirror circuit that maintains a bias current of 150 ΞΌA with an average output impedance of 100 kΞ©. Discuss the choice of components.

πŸ’‘ Hint: Think about both BJT and MOS configurations.

Question 2

Given a scenario where the supply voltage fluctuates, assess the impact on current mirror performance and how to mitigate these effects.

πŸ’‘ Hint: Consider redundancy and thermal stability options.

Challenge and get performance evaluation