Practice Analog Electronic Circuits - 87.1 | 87. Numerical examples on current mirror and its applications (Part-B) | Analog Electronic Circuits - Vol 4
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87.1 - Analog Electronic Circuits

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define a current mirror.

💡 Hint: Think about how it operates within a circuit.

Question 2

Easy

What is the purpose of a cascode transistor in a current mirror?

💡 Hint: Consider what happens to the transistor configuration.

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 in electronics?

  • To amplify voltage
  • To replicate a current
  • To store energy

💡 Hint: Think about the key purpose of mirrors in context.

Question 2

True or False: Cascode transistors improve the output resistance of current mirrors.

  • True
  • False

💡 Hint: Consider the impact of added transistors on resistance.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a cascode current mirror using BJTs to achieve a specific output current of 1.5 mA. Determine required biasing resistors to ensure the circuit operates correctly.

💡 Hint: Start with the required output current, then derive the biasing needs from the transistor characteristics.

Question 2

Explain how the inclusion of a cascode transistor impacts the dynamic response of a common source amplifier circuit. Discuss the influence on bandwidth and frequency response.

💡 Hint: Focus on the trade-offs between resistance and amplifier response.

Challenge and get performance evaluation