88.3 - Next Numerical Example
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Practice Questions
Test your understanding with targeted questions
What is the role of a current mirror in an amplifier?
💡 Hint: Think about how it stabilizes current.
What is the value of Beta used in our calculations?
💡 Hint: Recall the assumed values given in the section.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a current mirror primarily used for in amplifier circuits?
💡 Hint: Think about the role of steady current in amplifier operations.
If the collector current is 2 mA, what is the base current for a Beta of 100?
💡 Hint: Use the relationship between collector and base currents to solve.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Suppose Beta of transistor-3 and transistor-4 increased to 250, calculate the new collector currents and predict the impact on output voltage.
💡 Hint: Consider changes in current flow between mirrors.
Design an amplifier circuit using a current mirror that can handle an input voltage of 1V and output a gain of 1000. What components are necessary?
💡 Hint: Start with Ohm's Law and gain definitions.
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