9.35 - 9.35 For the circuit in Fig. 9.14, assuming α = 1 and IR C =5 V, use Eqs. (9.48) and (9.49) to find iC1 and iC2, and hence determine v od = vC2 −vC1 for input differential signals v id ≡ vB1 − vB2 of 2 mV, 5 mV, 10 mV, 15 mV, 20 mV, 25 mV, 30 mV, 35 mV, and 40 mV. Plot vod versus vid, and hence comment on the amplifier linearity. As another way of visualizing linearity, determine the gain vo/vid versus vid. Comment on the resulting graph.
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