The MOS transistors have the following characteristics: nMOS: Vin=0.7 V, K'n 200 A/V. Assume VoD =...

  

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The MOS transistors have the following characteristics: nMOS: Vin=0.7 V, K'n 200 μA/V². Assume VoD = 5 V. The required current loi = 100 μA the output voltage (vour) should be allowed to swing to a low of 0.2 V and the DC value of VOUT = 2.5 volts. Also design for current IREF = 50 μA. (a) Find the (W/L) ratio of all transistors and (ii) the resistor R. For this part you may assume there is no channel length modulation. (25 points). (b) Show a clean and labeled small signal equivalent circuit with the values shown. Assume all transistors have |x| = 0.02 V¹ (10 points) (c) Find both an expression and the numerical value for the small signal gain vo/Vin, and Rout- (15 points) 5Y R 03 TREF Vin 3.5V Q₁ 0₂ VOUT J & I Rout The MOS transistors have the following characteristics: nMOS: Vin=0.7 V, K'n 200 μA/V². Assume VoD = 5 V. The required current loi = 100 μA the output voltage (vour) should be allowed to swing to a low of 0.2 V and the DC value of VOUT = 2.5 volts. Also design for current IREF = 50 μA. (a) Find the (W/L) ratio of all transistors and (ii) the resistor R. For this part you may assume there is no channel length modulation. (25 points). (b) Show a clean and labeled small signal equivalent circuit with the values shown. Assume all transistors have |x| = 0.02 V¹ (10 points) (c) Find both an expression and the numerical value for the small signal gain vo/Vin, and Rout- (15 points) 5Y R 03 TREF Vin 3.5V Q₁ 0₂ VOUT J & I Rout

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