Channel Length in MOSFET Formulas

Channel length refers to the distance between the source and drain terminals in a field-effect transistor (FET). And is denoted by L. Channel Length is usually measured using the Micrometer for Length. Note that the value of Channel Length is always positive.

MOSFET formulas that make use of Channel Length

fxDrain Saturation Current of MOSFETGo

fxConductance of Channel of MOSFET using Gate to Source VoltageGo

fxTotal Capacitance between Gate and Channel of MOSFETsGo

fxConductance of Channel of MOSFETsGo

fxMagnitude of Electron Charge in Channel of MOSFETGo

fxMOSFET as Linear Resistance given Aspect RatioGo

FAQ

What is the Channel Length?

Channel length refers to the distance between the source and drain terminals in a field-effect transistor (FET). Channel Length is usually measured using the Micrometer for Length. Note that the value of Channel Length is always positive.

Can the Channel Length be negative?

No, the Channel Length, measured in Length cannot be negative.

What unit is used to measure Channel Length?

Channel Length is usually measured using the Micrometer[μm] for Length. Meter[μm], Millimeter[μm], Kilometer[μm] are the few other units in which Channel Length can be measured.

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