7.26. In the circuit of Fig. 7.62, (W/L)1 = 10/0.18 and ID1 = 0.5 mA. a. If λ = 0, determine (W/L)2 such that M1 operates at the edge of saturation. b. Now calculate the voltage gain. c. Explain why this choice of (W/L)2 yields the maximum gain. 7.27. The CS stage of Fig.7.62 must achieve a voltage gain of 5 . a. If (W/L)2 = 2/0.18, compute the required value of (W/L)1. b. What is the maximum allowable bias current if M1 must operate in saturation?

7.26. In the circuit of Fig. 7.62, (W/L)1 = 10/0.18 and ID1 = 0.5 mA. a. If λ = 0, determine (W/L)2 such that M1 operates at the edge of saturation. b. Now calculate the voltage gain. c. Explain why this choice of (W/L)2 yields the maximum gain. 7.27. The CS stage of Fig.7.62 must achieve a voltage gain of 5 . a. If (W/L)2 = 2/0.18, compute the required value of (W/L)1. b. What is the maximum allowable bias current if M1 must operate in saturation?

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7.26. In the circuit of Fig. 7.62, (W/L)1 = 10/0.18 and ID1 = 0.5 mA. a. If λ = 0, determine (W/L)2 such that M1 operates at the edge of saturation. b. Now calculate the voltage gain. c. Explain why this choice of (W/L)2 yields the maximum gain. 7.27. The CS stage of Fig.7.62 must achieve a voltage gain of 5 . a. If (W/L)2 = 2/0.18, compute the required value of (W/L)1. b. What is the maximum allowable bias current if M1 must operate in saturation?

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