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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for calculating the voltage gain in a common source amplifier?
π‘ Hint: Recall the roles of g_m and R_D in the formula.
Question 2
Easy
What does g_m represent in the context of amplifiers?
π‘ Hint: Think about how sensitive the amplifier is to input voltage.
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 does the voltage gain (A) represent in an amplifier?
- Output voltage to input voltage
- Input voltage to output current
- Output current to input current
π‘ Hint: Think about how much the amplifier amplifies the signal.
Question 2
True or False: Parasitic capacitance increases the effective input capacitance according to the Miller Effect.
- True
- False
π‘ Hint: Consider how feedback can modify circuit variables.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A Common Source Amplifier has a transconductance of 2mA/V, a drain resistance of 2.5kΞ©, and an input resistance of 1kΞ©. Calculate the voltage gain and discuss how changing load resistance affects output voltage.
π‘ Hint: Think about the interactions between resistances at the output.
Question 2
What are the implications of significant parasitic capacitance at the input of a high frequency Common Source Amplifier? Provide a detailed explanation.
π‘ Hint: Link your explanation to feedback and its effects on capacitance in amplifiers.
Challenge and get performance evaluation