example for NMOS : 6 j$ g' f. w0 h2 _( kVg > Vth MOS at deep triode region, MOS Cap at strong inversion 6 s; D1 c+ m1 X$ C4 FVg <Vth MOS OFF, MOS Cap at accumulation ! {9 Q# N0 H- s1 P4 Z j0 w9 z _* d2 i1 Y9 z
You can see Razavi Chap2 pp. 39 & s! W+ d% ~' Y+ s3 iGood Luck ~ !