Practice Small Signal Model Analysis for Transistor-2 - 83.4.2.2 | 83. Usage of current mirror (Part-A) | Analog Electronic Circuits - Vol 4
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Small Signal Model Analysis for Transistor-2

83.4.2.2 - Small Signal Model Analysis for Transistor-2

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Learning

Practice Questions

Test your understanding with targeted questions

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.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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?

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

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.

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