Practice Expression Of The Current (11.2) - Revisiting MOSFET (Contd.)

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6 sample questions

Question 1.
What does I_DS stand for?
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Remember the current flowing through the device.
Question 2.
What is the significance of V_th?
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Think about voltage requirements for conducting.
3Question 3.
What happens to I_DS when V_GS < V_th?
- True
- False
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Think about the conditions for channel formation.
4Question 4.
Is I_DS always proportional to (V_GS - V_th)?
- Yes
- No
- Only in saturation
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It determines whether a channel can form.
Question 5.
Given W = 2μm, L = 1μm, V_GS = 5V, and V_th = 2V, find I_DS if V_DS = 1V.
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Plug in values carefully and remember units.
Question 6.
Discuss the implications of channel length modulation on I_DS as V_DS increases beyond V_D(sat).
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Consider how effective channel length varies with applied voltage.

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