Consider the MC14573 op-amp in Figure 13.14. The dc bias currents and small-signal voltage gains were determined in Examples 13.8 and 13.9. Redesign the circuit such that the width-to-length ratio of M1 and M2 is increased from 12.5 to 50. All other circuit and transistor parameters remain the same, (a) Determine the original transconductance of M1 and M2, and the new transconductance value, (b) Determine the new values of voltage gain for the input and second stages, and the overall voltage gain.
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