81.1.1 - Motivation and a need of current mirror
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Practice Questions
Test your understanding with targeted questions
What is the primary function of a current mirror?
💡 Hint: Think of how it performs in a circuit.
Why is high output impedance important in current biasing?
💡 Hint: What happens to current when voltage changes?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main reason for using current mirrors in circuits?
💡 Hint: Focus on the function of biasing.
Is it true that a higher output impedance in a current mirror leads to less variation in output current?
💡 Hint: Reflect on what impedance affects.
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Challenge Problems
Push your limits with advanced challenges
Design a current mirror circuit for a specific application, ensuring it meets the characteristics of high output impedance and minimal dependency on voltage variations. Describe the components you would use and their configuration.
💡 Hint: Think about the transistor's characteristics and the desired output.
Analyze a case where a simple resistor is used instead of a current mirror as a biasing element. Discuss the potential impacts on circuit performance and stability.
💡 Hint: Evaluate the stability and performance of resistive biasing.
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