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3 cards from this section. Quick, good the night before a test.
What type of charge carriers are used in p-channel MOSFETs?
Consider what type of carriers are found in p-type materials.
State the gate-source voltage needed to turn on a p-channel MOSFET.
Think of the polarity needed for the MOSFET to allow hole movement.
What type of charge carriers are utilized in p-channel MOSFETs?
Remember the type of doping used in p-type materials.
True or False: The higher potential side should be on the gate for p-channel MOSFET operation.
Think about the needs for hole attraction in the device.
For a p-channel MOSFET with a threshold voltage of -2V, calculate the drain current with a gate-source voltage of -5V and a drain-source voltage of -10V, given a mobility coefficient of 200 cm²/V·s.
Pay close attention to the relationship between threshold and applied voltages.
Explain how varying the channel dimensions affects the current in a p-channel MOSFET. Provide practical examples.
Remember that current increases with conductivity, which improves with dimension tuning.
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