Practice Active Load Current Mirror - 84.1.5 | 84. Usage of current mirror (Part-B) | Analog Electronic Circuits - Vol 4
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Knowledge

84.1.5 - Active Load 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 main function of a current mirror?

💡 Hint: Consider its role in stabilizing currents in amplifiers.

Question 2

Easy

What is a common collector amplifier?

💡 Hint: Think about where the output voltage is derived from 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 primary role of a current mirror in amplifiers?

  • To amplify voltage
  • To replicate current
  • To stabilize voltages

💡 Hint: Think about the relationship to input currents.

Question 2

True or False: Common collector amplifiers have higher common mode gain when using current mirrors.

  • True
  • False

💡 Hint: Consider how current mirrors affect signal responses.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Calculate the output current of a current mirror in a common collector setup where the reference current is set to 2 mA and the aspect ratio of the transistors is 2:1.

💡 Hint: Consider how the aspect ratio influences the output within the true characteristics of the mirror.

Question 2

Propose a circuit configuration that utilizes both a current mirror and active loads to enhance performance in a differential amplifier.

💡 Hint: Think about balancing and the types of loads that improve signal fidelity.

Challenge and get performance evaluation