I'm trying to solve for the minimum vIN such that MOSFET is in the saturation region. Here are the given parameters
VS+ = 1.0 V
VS- = - 1.0 V
VT = 0.5 V
In order to enter saturation I know that VDS > VGS - VT
VGS = VIN - VS-
VDS = Vs+ - Vs-, which is 2 V
Which means
2V > VIN - VS- - VT
2V...