Practice Analog Electronic Circuits - 84.1 | 84. Usage of current mirror (Part-B) | Analog Electronic Circuits - Vol 4
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84.1 - Analog Electronic Circuits

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the primary purpose of a current mirror?

💡 Hint: Think about the role of stability in circuit design.

Question 2

Easy

In a common collector amplifier, what is the main design benefit?

💡 Hint: Consider how the input and output signals relate.

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 a current mirror in amplifiers?

  • To maintain a variable output
  • To provide a voltage gain
  • To produce a constant output current

💡 Hint: Think about its purpose in setting reference points.

Question 2

True or False: A common collector amplifier can improve input impedance.

  • True
  • False

💡 Hint: Consider how this amplifier interacts with loads.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a current mirror circuit for a common collector amplifier that maintains stability under varying loads. Specify the components and their values.

💡 Hint: Ensure to consider the saturation regions of your transistors to prevent oscillation.

Question 2

In a differential amplifier, using the derived equations, prove that replacing passive loads with current mirrors doubles the differential gain.

💡 Hint: Concentrate on the multiplication of currents per mirror unit while observing the relationships.

Challenge and get performance evaluation