Practice Output Resistance and Current Calculations - 87.5.2 | 87. Numerical examples on current mirror and its applications (Part-B) | Analog Electronic Circuits - Vol 4
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87.5.2 - Output Resistance and Current Calculations

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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 the circuit works in mimicking current.

Question 2

Easy

What does output resistance affect in a current mirror?

💡 Hint: Consider the role of resistance in circuit stability.

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 purpose of a current mirror in electronic circuits?

  • To amplify signals
  • To replicate a current
  • To change AC to DC

💡 Hint: Consider how a current behaves in the circuit.

Question 2

Increasing the output resistance of a current mirror will help to reduce its sensitivity to output voltage variations.

  • True
  • False

💡 Hint: Think about the relationship between resistance and output stability.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Derive the Van der Waals equation from the principles of current mirrors, outlining how the output current reflects transistor characteristics.

💡 Hint: Break down the equations into manageable portions to understand each component.

Question 2

Given a set of current mirror circuit designs, analyze and compare their effective output resistance, identifying the best design for stable signal amplification.

💡 Hint: Refer to the derived formulas from previous examples for guidance.

Challenge and get performance evaluation