Question: Repeat Problem 4.12 except replace Q 1 and Q 2 with n-channel MOS transistors M 1 and M 2 . Also, replace Q 3 and

Repeat Problem 4.12 except replace Q1and Q2with n-channel MOS transistors M1and M2. Also, replace Q3and Q4with p-channel MOS transistors M3and M4. Assume Wn= 50[1]m and Wp= 100 µm.


Repeat Problem 4.12:

Determine the unloaded voltage gain νo/νi and output resistance for the circuit of Fig. 4.58. Check with SPICE and also use SPICE to plot out the large-signal VO-VI transfer characteristic for VSUP = 2.5 V. Use SPICE to determine the CMRR if the current-source output resistance is 1 M„¦.

Figure 4.58:

+VSUP Q3 v,= Vo+v Q2 V = V, + v; 100 μΑ -VSUP

+VSUP Q3 v,= Vo+v Q2 V = V, + v; 100 -VSUP

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