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← TechnologyWithin a MOSFET, which mechanism inhibits channel formation below threshold voltage?
A)Strong inversion charge screening✓
B)Drain-induced barrier lowering (DIBL)
C)Subthreshold conduction (weak inversion)
D)Velocity saturation carrier transport
💡 Explanation
Channel formation is inhibited by strong inversion charge screening, because below the threshold voltage, insufficient gate voltage exists, hence no conductive channel forms. Therefore, no current flows, rather than subthreshold conduction which might be observed with slight gate voltage stimulus.
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