Practice Small Signal Model Of Current Mirror (85.2.1) - Usage of current mirror (Part-C)
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Small Signal Model of Current Mirror

Practice - Small Signal Model of Current Mirror

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the primary function of a current mirror?

💡 Hint: Think about its use in amplifying circuits.

Question 2 Easy

What does g_m represent in a current mirror circuit?

💡 Hint: It's a measure of efficiency.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the small signal model of a current mirror allow us to analyze?

Output current only
Output voltage response to input
Input resistance

💡 Hint: Think about the relationships defined in the model.

Question 2

True or False: A lower common mode gain generally results in better noise rejection.

True
False

💡 Hint: Recall the benefits of common mode rejection.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If a current mirror has g_m = 5 and the input signal is variable, derive the relationship to ascertain output in a dynamic scenario.

💡 Hint: Dissect the relationships established in the small signal model.

Challenge 2 Hard

Evaluate the limitations of current mirrors in practical circuits and suggest potential modifications to improve reliability.

💡 Hint: Think about factors like output impedance and biasing.

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