17.6.1 - Input to Output Transfer Characteristic
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Practice Questions
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What is the threshold voltage of a MOSFET?
💡 Hint: Remember the term threshold relates to the 'minimum' needed.
Define transconductance.
💡 Hint: Think about how voltage change affects current in a device.
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Interactive Quizzes
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What does an increase in gate voltage above threshold voltage do?
💡 Hint: Consider the relationship between gate and output we discussed.
True or False: The load line shows the characteristics of the MOSFET.
💡 Hint: Remember what we discussed about load lines versus I-V characteristics.
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Challenge Problems
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A MOSFET with K=3 mA/V² and a threshold voltage of 1.8V is connected to a 12V supply. If the gate voltage is set to 2.5V, calculate the drain current and determine if the MOSFET is in saturation or not at R=2K.
💡 Hint: Make sure to check the voltage drop across the resistor as well!
Analyze a circuit using an NMOS where the load line intersects with the I-V curve at multiple points—describe the significance of each intersection.
💡 Hint: After finding the intersection points, identify their corresponding output voltages.
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