Is the CMFB loop stable in the op-amp of Fig. 26.40? Use the large-signal test circuit seen in Fig XXXXXXXXXXat a slower frequency) and simulations to look at the stability of this loop. Suggest, and...

Is the CMFB loop stable in the op-amp of Fig. 26.40? Use the large-signal test circuit seen in Fig. 26.24 (at a slower frequency) and simulations to look at the stability of this loop. Suggest, and verify with simulations, methods to improve the stability of the CMFB loop.