32.1.4 - Biasing Description
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Practice Questions
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What is V_GS?
💡 Hint: Think about the voltages at the gate and source.
Why is V_th important?
💡 Hint: Relate it to how MOSFETs function.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What condition must V_D satisfy to keep the MOSFET in saturation?
💡 Hint: Think about how saturation works.
True or False: The gate current in a common source amplifier is significant.
💡 Hint: Consider the properties of the MOSFET.
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Challenge Problems
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Design a common source amplifier that requires a target I_DS of 2A. Determine suitable values for V_GS and V_th using K = 0.4 A/V^2.
💡 Hint: What rearrangements can you make to isolate V_th?
Discuss the effects on output signal if V_GS is set too low, considering saturation conditions.
💡 Hint: How does low V_GS affect the amplifier's function?
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