(a) The NMOS transistor in the source-follower circuit of Fig. P7.122(a) has gm = 10 mA/V and a large r.. 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 r.. Find the input resistance and the voltage gain. (e) 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 v/v.. vo 5 kn 1/1/20 10 kn www 10 ΚΩ | (b) HH 21 2 ΚΩ

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(a) The NMOS transistor in the source-follower circuit of
Fig. P7.122(a) has gm = 10 mA/V and a large r.. 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 g = 10 mA/V and a large r.. 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
v/v.
5 ΚΩ
2/1/20
10 ΚΩ
www
10 ΚΩ Τ
Figure P7.122
(b)
HH
Vl
2 ΚΩ
Transcribed Image Text:(a) The NMOS transistor in the source-follower circuit of Fig. P7.122(a) has gm = 10 mA/V and a large r.. 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 g = 10 mA/V and a large r.. 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 v/v. 5 ΚΩ 2/1/20 10 ΚΩ www 10 ΚΩ Τ Figure P7.122 (b) HH Vl 2 ΚΩ
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