Practice Current Mirror (Active Load) - 3.3.2 | 3. Analog CMOS Circuit Design - Part 1: Design Principles of Operational Amplifiers in CMOS | CMOS Integrated Circuits
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Current Mirror (Active Load)

3.3.2 - Current Mirror (Active Load)

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the primary function of a current mirror in CMOS circuits?

💡 Hint: Think about how current flow is controlled.

Question 2 Easy

Which type of transistor is typically used in a current mirror?

💡 Hint: Consider which transistors are more effective in this context.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the role of a current mirror in an operational amplifier?

To amplify voltage
To mirror current
To reduce power consumption

💡 Hint: Think about current management within circuits.

Question 2

True or False: Current mirrors only use NMOS transistors in their construction.

True
False

💡 Hint: Consider what type of transistors are effective for current mirroring.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a current mirror circuit to provide a constant current of 100 µA. Detail your component selections and calculations.

💡 Hint: Focus on transistors that can handle the required current while keeping effects of temperature in mind.

Challenge 2 Hard

Evaluate how the performance of a current mirror would change if one PMOS transistor is replaced with an NMOS transistor under similar conditions.

💡 Hint: Think about how each type of transistor functions under current control.

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