Question: If W/Lis doubled for M 1 = M 2 (i.e., m 1 = m 2 = 20), what is the new low-frequency DM op-amp gain

If W/Lis doubled for M₁= M₂(i.e., m₁= m₂= 20), what is the new low-frequency DM op-amp gain a_dm0for the op amp in Fig. 12.40? Assume the bias conditions and operating regions do not change.

Fig. 12.40:

VpD M12 M11 BiasB M2A M1A BiasC Vo2 Vo1 M2 V1 M1 M4A BiasD BiasA M4 CMC M5 M6

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