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MOSFET transistor I-V characteristics
Lecture 20-8 PMOSFETs • All of the voltages are negative • Carrier mobility is about half of what it is for n channels p+ n S G D B p+ • The bulk is now connected to the most positive potential in the circuit • Strong inversion occurs when the channel becomes as p-type as it was n-type • The inversion layer is a positive charge that is sourced by the larger potential
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