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ocr_text: MOSFET Characteristics (basics)\n» MOSFET are characterized by Vos\n2 electric field distributions in the structure: st\n» The transverse field caused by the potential Yas Vos £ (transverse)\ndifference between the gate and the source\n(Ves). This field supports the substrate 3\ndepletion region (Vgs < Vy) and\ninversion layer (Vgs > Vin). AN Vos\n» The lateral field from source to drain potential - 5 £ (lateral)\n(Vos) --> main mechanism for current flow\nin the MOSFET. 3\nSouce Gate Drain ith mmm) An inversion region with an\nm=) A depletion region N [ s S..° excess of e- forms below the gate\n@ zero or low Ves. r=] E— oxide. This region connects the\nNo current flow EY source and drain N-type regions,\nthrough the channel. forming a continuous N-region\n(a) depletion (b) inverted channel = hs from source to drain.
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