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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define a current mirror.
💡 Hint: Think about its primary function in electronic circuits.
Question 2
Easy
What is base current loss?
💡 Hint: It impacts the output current.
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 signals
- To replicate currents
- To store energy
💡 Hint: Focus on the core utility of current mirrors in circuits.
Question 2
True or False: A cascode transistor decreases the output resistance of a current mirror.
- True
- False
💡 Hint: Think about its role in improving stability.
Solve 3 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a current mirror using BJTs to output a current of 2mA with an acceptable Vbe drop of 0.7V; calculate Rbias.
💡 Hint: Use Ohm's law as a foundation for calculations.
Question 2
If a MOSFET current mirror must mirror a 3mA current with Vth = 1V at 10V supply, what should the aspect ratio be?
💡 Hint: Consider how Vgs influences the Id for your calculations.
Challenge and get performance evaluation