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CAT
ES
ENG
Weak inversion
Watch the Channel
Change Shape
An n-channel MOSFET sweeping through cutoff → linear → saturation (V
th
= 0.7 V)
Inside the transistor
Current vs drain voltage
Current vs gate voltage
❚❚ Pause
↺ Restart
1×
V
GS
V
DS
Drag a slider to take manual control · Space = play/pause
Below Threshold
Isn't Off
Weak inversion: the hidden region between “cutoff” and the channel you know (V
th
= 0.7 V)
Inside the transistor
❚❚ Pause
↺ Restart
1×
Scale: auto
V
GS
V
DS
Drag a slider for manual control · Space = play/pause · try V
GS
between 0.1 and 0.7 V on the log scale