88.4.2 - Bias Circuit with Current Mirrors
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Practice Questions
Test your understanding with targeted questions
What is a current mirror used for?
💡 Hint: Think about their function in biasing.
Calculate the base current if the collector current is 2 mA and β is 100.
💡 Hint: Use the formula I_B = I_C / β.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary function of a current mirror?
💡 Hint: Think about what 'mirror' means.
True or False: A higher Early voltage is better for consistent current in a mirror.
💡 Hint: Consider the importance of stability.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Design a bias circuit using current mirrors for an amplifier with a desired collector current of 10 mA. Calculate the necessary bias resistors and discuss the implications of Early voltage.
💡 Hint: Remember to apply Ohm's Law and account for all currents.
Evaluate how varying the supply voltage affects the collector current in a common emitter amplifier using current mirrors.
💡 Hint: Consider the relationship between voltage and current in circuit theory.
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