Practice - Wilson or Widlar Current Mirror (Optional/Advanced) - 7.4
Practice Questions
Test your understanding with targeted questions
What is the purpose of a current mirror?
💡 Hint: Consider the applications in analog circuits.
What does the Wilson current mirror improve over the simple current mirror?
💡 Hint: Think of the number of transistors used.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does a current mirror do?
💡 Hint: What operation is typical of transistors in current mirrors?
True or False: The Widlar current mirror is used for generating high output currents.
💡 Hint: Reflect on the intended applications of the Widlar design.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
Design a Wilson current mirror circuit and calculate its output resistance if the transistors have an hFE of 100. Explain the significance of your results.
💡 Hint: Consider the relations between gain, collector resistance, and output.
Analyze the limitations of a simple current mirror compared to the Wilson and Widlar current mirrors. Include a discussion on the implications of the Early effect.
💡 Hint: Discuss how additional transistors impact current stability.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.