Preview of practice Department Of Electronics And Electrical Communication Engineering (33.3)
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Department of Electronics and Electrical Communication Engineering

Practice - Department of Electronics and Electrical Communication Engineering

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Practice Questions

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Question 1 Easy

What is the expression for voltage gain in a common source amplifier?

💡 Hint: Consider both output resistor and transconductance.

Question 2 Easy

Define transconductance.

💡 Hint: It's often symbolized as g_m.

3 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the formula for voltage gain in a common source amplifier?

A = R_D * g_m
A = -R_D * g_m
A = g_m / R_D

💡 Hint: Remember the relationship between voltage gain and the output resistor.

Question 2

True or False: The input resistance of a common source amplifier is high due to zero gate current.

True
False

💡 Hint: Think about what happens at the input port.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a common source MOSFET amplifier with a transconductance g_m = 2 mA/V, find the output voltage for an input AC swing of 0.5V, given that R_D = 3 kΩ. Calculate the voltage gain and the expected output swing.

💡 Hint: Use the gain formula learned earlier.

Challenge 2 Hard

Discuss how you would design a common source amplifier to optimize its voltage gain in an integrated circuit environment as compared to discrete circuit designs.

💡 Hint: Think about the trade-offs in real estate versus performance.

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