Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
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.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
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.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation