Resistive Load -3 Gain-Method 2:Large-Signal Analysis -Voo 。 If VIN<VTH,M1 is off,and VoUT=VDD=Vps. 李RD VOUT =VDD -RD'iD =VDD Ay= OVOUT=0 OVIN a As VIN becomes slightly larger than VTH,M1 turns on and goes into saturation(Vos≈Voo>VGS-VTH≈o). 人=北-R=-见分A-C”化-gy =R4C7化-)Rg A.OV As VIN increases,Vos decreases,and Mi goes into triode when VIN-VTH=VoUT.We can find the value of VIN that makes M switch its region of operation. =-见4=形-R4C化-r=化-) 032 102020/3/24 13