Practice Basic Topology: Operation And Importance (6.6.1) - Oscillators and Current Mirrors
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Basic Topology: Operation and Importance

Practice - Basic Topology: Operation and Importance

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a current mirror?

💡 Hint: Think about how it relates to stable currents in a circuit.

Question 2 Easy

Name the two main types of transistors used in current mirrors.

💡 Hint: Recall the different types of transistors we've discussed.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main function of a current mirror?

To amplify a signal
To replicate a reference current
To filter noise

💡 Hint: Think about the operation of current mirrors in maintaining stability.

Question 2

True or False: Current mirrors can only be made with BJTs.

True
False

💡 Hint: Remember the advantages of MOSFETs we discussed.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a BJT current mirror that can mirror 10 mA with a V_CC of 5V while maintaining low output resistance. What characteristics would you consider?

💡 Hint: Think about how transistor selection affects output.

Challenge 2 Hard

Given a MOSFET current mirror that mirrors 5 mA at room temperature, calculate the expected output current if the channel length was altered significantly. Discuss the impacts.

💡 Hint: Consider how physical dimensions change the behavior of MOSFETs.

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Reference links

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