brief introduction： P-channel MOS tube refers to the N-type liner bottom, P-channel MOS tube, by the flow of the hole to transport current.Working principle of the MOS tube and a: P channel silicon MOS fet on n-type silicon substrate, there are two P + area, is called the source and drain, respectively, between the poles impassability, grid and add enough positive voltage grounding (source), the grid of n-type silicon surface under present P type inversion layer, become the cohesion of the source and drain channel.

P Channel MOSFET

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