Practice Common-gate (cg) Amplifier (5.4) - MOSFET Amplifiers - Analog Circuits
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Common-Gate (CG) Amplifier

Practice - Common-Gate (CG) Amplifier

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the voltage gain formula for the Common-Gate amplifier?

💡 Hint: Consider how transconductance interacts with load resistances.

Question 2 Easy

How does input impedance in a Common-Gate amplifier compare to other amplifier configurations?

💡 Hint: Recall where the input signal is applied.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary function of a Common-Gate amplifier?

To provide high input impedance
To amplify low-level signals with low input impedance
To convert AC signals to DC

💡 Hint: Consider the input characteristics.

Question 2

True or False: The current gain of a Common-Gate amplifier is close to 1.

True
False

💡 Hint: Think about the characteristics of current gain.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Calculate the voltage gain of a Common-Gate amplifier given g_m = 5 mS, R_D = 1 kΩ, and R_L = 2 kΩ.

💡 Hint: Use the parallel resistance formula to find R_D || R_L.

Challenge 2 Hard

Identify a scenario where a Common-Gate amplifier would be less effective, and explain why.

💡 Hint: Consider applications where input impedance is crucial.

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Reference links

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