Practice Application Circuit of Current Mirror - 88.4 | 88. Numerical examples on current mirror and its applications (Part-C) | Analog Electronic Circuits - Vol 4
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Knowledge

88.4 - Application Circuit of Current Mirror

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the purpose of a current mirror in an amplifier?

💡 Hint: Think about the stability of current flow.

Question 2

Easy

If the beta value of a transistor is 100, what is the base current if the collector current is 2 mA?

💡 Hint: Use the relationship between collector and base current.

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 role of current mirrors in common emitter amplifiers?

  • Maintain constant current
  • Increase input impedance
  • Reduce noise

💡 Hint: Think about factors affecting amplifier operation.

Question 2

True or False: The beta value of a transistor does not affect the base current.

  • True
  • False

💡 Hint: Remember how current relations work.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a current mirror circuit that needs to provide a collector current of 3 mA with a supply voltage of 15 V. Calculate the required bias resistances for optimal performance.

💡 Hint: Start with the relationship between collector and base currents.

Question 2

Analyze the impact of not considering early voltage in a current mirror's output voltage calculations. What changes might occur in real-world applications?

💡 Hint: Consider the implications of real-world differences from ideal calculations.

Challenge and get performance evaluation