Consider the CA3140 op-amp in Figure 13.21. If the bias currents change such that \(I_{C 5}=I_{C 4}=300 \mu \mathrm{A}\), determine the voltage gains of the input and second stages, and find the overall voltage gain.

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D R = 8 Mg e D3 57 DS Da Inverting input M M10 Noninverting input Ry 500 2 Bias circuit R = 500 2 www ww Offct null Input stage 12 R = 500 2 12pF R = 500 2 23 Q17 ZD R13 15 kQ R = 150 R10 1 Ds 019 R11= 2012