If the CA3140 op-amp is biased at (V^{+}=15 mathrm{~V}) and (V^{-}=-15 mathrm{~V}), determine the input common-mode voltage

Question:

If the CA3140 op-amp is biased at \(V^{+}=15 \mathrm{~V}\) and \(V^{-}=-15 \mathrm{~V}\), determine the input common-mode voltage range. Assume B-E voltages of \(0.6 \mathrm{~V}\) for the bipolar transistors and \(\left|V_{T P}\right|=1.4 \mathrm{~V}\) for the MOSFETs.

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