Practice - General Small-Signal FET Model
Practice Questions
Test your understanding with targeted questions
Define the term transconductance as used in small-signal analysis.
💡 Hint: Think about how input voltage influences output current.
What is the typical input impedance at the gate of a FET?
💡 Hint: Consider how the gate is designed regarding currents.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does 'transconductance' in FETs refer to?
💡 Hint: Remember, it's all about control.
True or False: The gate connection in a FET small-signal model allows current to pass.
💡 Hint: Think about what an open circuit means.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given a JFET with V_P = -4V, I_D = 5mA, and V_GS_Q = -3V, calculate the transconductance.
💡 Hint: Recall the formula and pay attention to voltage values.
Consider a MOSFET with k_n = 0.5 mA/V² and W/L = 2, if V_GS = 3V and V_th = 1V, find the output resistance if λ = 0.05 V⁻¹.
💡 Hint: You’ll first need I_D from transconductance calculations to fully understand how output resistance works.
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Reference links
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