Practice - Current Mirror
Practice Questions
Test your understanding with targeted questions
What is the main function of a current mirror?
💡 Hint: Think about stability in current sources.
Name the two main types of current mirrors discussed.
💡 Hint: One operates with voltage and the other with current carriers.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a current mirror do?
💡 Hint: Consider the main application in circuits.
True or False: MOSFET current mirrors typically have lower precision than BJT models.
💡 Hint: Think about their gate characteristics.
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Challenge Problems
Push your limits with advanced challenges
Design a current mirror circuit using BJTs for a reference current of 2mA. Explain how you would select transistor sizes and any resistive elements needed.
💡 Hint: Consider the relationships between V_BE and I_C in your calculations and ensure sufficient V_CC.
Explain the effects of temperature on the performance of a Widlar current mirror, particularly regarding output current.
💡 Hint: Reflect on the temperature coefficients of silicon and their impact on transistor behavior.
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Reference links
Supplementary resources to enhance your learning experience.