NFET amplifier A NFET (of unknown gate material) has the ID -vs -VDS curve shown below for VGS =4 V and VBS =0 V . The threshold voltage VTN of the device is 1 V when VBS =0 V . Assume: W=25×10-4cm L=10×10-4cm �!”=3.45×10-13 F/cm tox=10-6 cm Na=1017cm-3 a) What is the drain-to-source voltage at […]