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D5.50 The NMOS transistors in Fig. P5.50 have V₁ = 0.5 V, PnCox = 200 μA/V², λ = 0, and = L₂ = L3= 0.5 μm. Find the required values of gate width for each of Q₁, Q₂, and Q3 to obtain the voltage and current values indicated. +2.5 V Figure P5.50 ⁹0 μA -0 + 1.5 V -0 +0.8 V 2₁ ai a t