Ratio of trans-conductance of an enhancement type NMOS in saturation region to trans-conductance in the linear region is given by:
1
\(\frac{{2\left( {{V_{GS}} - {V_T}} \right)}}{{{V_{DS}}}}\)
2
\(\frac{{2{V_{DS}}}}{{{V_{GS}} - {V_T}}}\)
3
\(\frac{{{V_{GS}} - {V_T}}}{{{V_{DS}}}}\)
4
\(\frac{{{V_{DS}}}}{{2\left( {{V_{GS}} - {V_t}} \right)}}\;\)