WHICH WAY DOES VTH MOVE?
Rises, falls, or stays put?
An NMOS ISFET turns surface charge into a threshold shift. Read each situation, decide the direction, and tap your answer.
Loading...
Loading...
CHALLENGE COMPLETE
↕️ You can read the threshold shift
+45 XP
For an NMOS, negative charge at the surface raises the threshold and positive charge lowers it. A REFET, or no change at the surface, leaves it alone.