Saturation and Leakage Current vs. S-Gate Length At a Fixed Channel Length (Variable Lg/Ls Ratio)

• Comments
  • Minimum DIoff is related to the minimum DIBL.
  • Decrease in saturation current is a major disadvantage of the HMGFET.

• Observations
  • On- and off-state currents all decrease at increasing S-gate length (decreasing Lg/Ls ratio).
  • A minimum DIoff also occurs at Lg/Ls = 2.

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