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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a current mirror?
💡 Hint: Think about how current is replicated in different branches.
Question 2
Easy
What happens to the circuit at DC conditions?
💡 Hint: Consider what 'DC' implies for AC 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 main function of a current mirror?
- To increase voltage
- To replicate current
- To switch signals
- To amplify power
💡 Hint: Think about what a mirror does!
Question 2
The small signal model for a current mirror shows its response to which type of input?
- DC signals
- AC signals
- Both DC and AC signals
- Neither DC nor AC signals
💡 Hint: Which type of signal varies over time?
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a BJT current mirror with a mismatch in the transistor beta values, calculate the approximate mirrored output current.
💡 Hint: Assess how the current gains influence the replication.
Question 2
Analyze how a resistor change in a common source amplifier outputs affects both its gain and stability.
💡 Hint: Draw the output characteristics to visualize changes.
Challenge and get performance evaluation