Consider the CMOS amplifier shown below. The circuit has the following parameters: VDD = 2V, Vth = 0.3V, kn = 2mA/V2 and RF = RD = 1kΩ. The input voltage source has zero source impedance. Calculate the value of Vin for which the transistor moves from saturation to linear region. For linear region, use the following I−V equation Id = kn(VGS − Vth)Vds
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