88.1.3 - Indian Institute of Technology, Kharagpur
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is the role of a current mirror in a common emitter amplifier?
💡 Hint: Think about how it ensures stable current.
Why is proper biasing crucial for a transistor?
💡 Hint: Consider what happens if the operating point is not ideal.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main function of a current mirror in amplifier circuits?
💡 Hint: Consider the importance of stable current in circuit operations.
True or False: Proper biasing can cause a transistor to operate in an optimal linear region.
💡 Hint: Reflect on what happens if biasing is incorrect.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Design a common emitter amplifier circuit with a desired voltage gain of 1000. Choose appropriate transistor characteristics and calculate biasing resistances.
💡 Hint: Refer back to voltage gain equations and ensure all transistors are in their optimal region.
Analyze how a mismatch in beta values between transistors affects output resistance and voltage gain in a current mirror configuration. Present a comparative report.
💡 Hint: Focus on how small changes in beta can have substantial effects in the behavior of the amplifier.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.