Điện tử học : Transistor trường ứng( FET) part 2 pot

source voltage is lower than source voltage is lower than --Vp Vp, , no current flows... depletion regions form around the gate sections.. As the gate voltage is increased, the depleti

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source voltage is lower than

source voltage is lower than Vp Vp, ,

no current flows This is the

cutoff region

Gate

n

Channel

p

p

depletion regions form around the gate sections As the gate voltage is increased, the depletion regions widen, and the channel width (i.e., the resistance) is controlled

by the gate

by the gate source voltage This is the source voltage This is the ohmic region ohmic region of of

the JFET

depletion regions

Gate

n Channel

p

p