(a) The NMOS transistor in the source-follower circuit of Fig. P7.122(a) has gm = 10

Chapter 7, Problem 7.122

(choose chapter or problem)

(a) The NMOS transistor in the source-follower circuit of Fig. P7.122(a) has gm = 10 mA/V and a large ro. Find the open-circuit voltage gain and the output resistance. (b) The NMOS transistor in the common-gate amplifier of Fig. P7.122(b) has gm = 10 mA/V and a large ro. Find the input resistance and the voltage gain. (c) If the output of the source follower in (a) is connected to the input of the common-gate amplifier in (b), use the results of (a) and (b) to obtain the overall voltage gain vo/vi . (a) 10 k vo1 vi vo vi2 2 k 10 k 5 k (b) Figure P7.122

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