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2 cards from this section. Quick, good the night before a test.
What type of charge carriers are used in p-channel MOSFETs?
Recall the charge types: electrons and holes.
Is the substrate of a p-channel MOSFET usually n-type or p-type?
Consider what type of channel forms above the substrate.
What is the primary charge carrier in a p-channel MOSFET?
Recall the type of charge carriers in semiconductors.
True or False: The threshold voltage for u-channel MOSFETs is always positive.
Think about how the gate voltage must be set for conduction.
If a p-channel MOSFET has a threshold voltage of -2V and a gate voltage of -4V applied, what will happen, and what is the implication for circuit design?
Think about whether the voltage applied is lower than the threshold.
Consider a p-MOSFET in a circuit where the current is measured at 10 mA. If you change the width of the channel to 2 times its original value, what happens to the current?
Think about the relationship between width and current flow.
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