32.1.6 - Circuit Description
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Practice Questions
Test your understanding with targeted questions
What is the main role of biasing in a common source amplifier?
💡 Hint: Think about how a BJT operates.
Why is the source terminal termed 'common' in a common source amplifier?
💡 Hint: Consider the structure of the circuit.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a common source amplifier primarily used for?
💡 Hint: Recall the main function of amplifiers.
True or False: The gate current in a MOSFET common source amplifier is zero.
💡 Hint: Think about how a MOSFET is designed.
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Challenge Problems
Push your limits with advanced challenges
A common source amplifier has a transconductance of 2 mS. If the biasing voltage is set at 3V and the threshold voltage is 1.5V, calculate the output current when the input signal voltage is 0.5V.
💡 Hint: Always plug the numbers into the transconductance equation.
Design a common source amplifier circuit for a specific application requiring a gain of 10 with a load resistor of 1kΩ. What value of the drain resistor should be used?
💡 Hint: Think about the relationship between resistance and gain in your design.
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