Practice Small Signal Model Analysis For Transistor-2 (83.4.2.2) - Usage of current mirror (Part-A)

Practice: Small Signal Model Analysis for Transistor-2

Lesson 83.4.2.2Usage of current mirror (Part-A)

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9 questions

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6 sample questions

Question 1.
What is a current mirror?
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Think about how current is replicated in different branches.
Question 2.
What happens to the circuit at DC conditions?
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Consider what 'DC' implies for AC current.
3Question 3.
What is the main function of a current mirror?
- To increase voltage
- To replicate current
- To switch signals
- To amplify power
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Think about what a mirror does!
4Question 4.
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
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Which type of signal varies over time?
Question 5.
Given a BJT current mirror with a mismatch in the transistor beta values, calculate the approximate mirrored output current.
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Assess how the current gains influence the replication.
Question 6.
Analyze how a resistor change in a common source amplifier outputs affects both its gain and stability.
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Draw the output characteristics to visualize changes.

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