Below figure depicts a cascode current source whose value is defined by the mirror arrangement, M1−M2. Assume W/L = 4,3 μm/0,18 μm for M1−M3. Select the minimum tolerable value of Vb so that Iout is equal to 0.5 mA. Circuit parameters / Devre Parametreleri μnCox = 200 μA/V2, VTH = 0.4 V, λ = 0. a. 1.56 V b. 0.96 V c. 0,56 V d. 2,06 V e. 1,31 V f. 0,76 V g. 1,16 V