Practice - Small Signal Analysis
Practice Questions
Test your understanding with targeted questions
What is the function of the common source amplifier?
💡 Hint: Think about what an amplifier does.
Why do we use DC biasing in MOSFETs?
💡 Hint: Consider the role of biasing.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main function of a common source amplifier?
💡 Hint: Consider what is commonly amplified in analog circuits.
True or False: AC signals affect the DC bias in a common source amplifier circuit.
💡 Hint: Review the role of biasing.
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Challenge Problems
Push your limits with advanced challenges
A common source amplifier has a transconductance of 1.5mS and is biased at 2V. For an input signal of 4V, find the output current when the threshold voltage is 1.5V.
💡 Hint: Use the small signal current equation discussed.
Design a common source amplifier circuit using an N-channel MOSFET to achieve a voltage gain of 10 while ensuring the MOSFET operates in the saturation region. Specify appropriate values for resistances.
💡 Hint: Consider the resistor values that could yield a gain of 10 while respecting DC bias calculations.
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Reference links
Supplementary resources to enhance your learning experience.