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In: Physics

a) Plot the structure of p-channel MOS-FET (Show semiconductor structure, gate, drain, source and voltage polarities)...

a) Plot the structure of p-channel MOS-FET (Show semiconductor structure, gate, drain, source and voltage polarities) and summarize the working principle. b) Explain what happens if you change drain source voltage polarity. c) Plot the band diagram, approximate distributions of charge, electric field, and electrostatic potential in the ideal MOS capacitor in inversion for the p-channel case.

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