Practice Transistor Sizing for BJT - 87.5.1 | 87. Numerical examples on current mirror and its applications (Part-B) | 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 purpose of a current mirror?

πŸ’‘ Hint: Think about why we might want to duplicate current in electronics.

Question 2

Easy

What is a BJT?

πŸ’‘ Hint: Consider the types of transistors used in analog circuits.

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 current
  • To decrease current

πŸ’‘ Hint: What is its main role in circuits?

Question 2

True or False: A cascode transistor decreases the output resistance.

  • True
  • False

πŸ’‘ Hint: Think about the configuration and its purpose.

Solve 3 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a current mirror that can handle a reference current of 2 mA using BJTs, ensuring that each transistor's size is appropriately calculated for heavy load conditions.

πŸ’‘ Hint: Refer back to how different sizes affect current output in mirrors.

Question 2

Evaluate how decreasing the supply voltage to 5V from 12V affects the output current and overall circuit performance of your designed current mirror.

πŸ’‘ Hint: Consider how resistive losses may affect the current when supply voltage changes.

Challenge and get performance evaluation