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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a common base amplifier do?
💡 Hint: Think about the configuration roles.
Question 2
Easy
Why is capacitor C_B important?
💡 Hint: Remember what happens at AC ground.
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 impact of removing capacitor C_B on input resistance?
- Increases significantly
- Decreases
- Remains constant
💡 Hint: Think about how much voltage appears across different components.
Question 2
True or False: The voltage gain improves when C_B is removed.
- True
- False
💡 Hint: Reflect on the relationship to signal application.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a common base amplifier with a collector current of 0.5 mA and an early voltage of 50V, calculate the transconductance and describe its significance.
💡 Hint: Use standard formulae linking collector current and transconductance.
Question 2
Investigate how varying the input resistor affects the amplifier's overall gain without C_B. Discuss potential design considerations.
💡 Hint: Examine how resistances interact within the circuit.
Challenge and get performance evaluation