Consider the differential amplifier shown in Figure P11.14 with mismatched transistors. The mismatched transistors result in mismatched transconductances as shown. The circuit and transistor parameters are V+ = +10 V, V− = −10 V, RC = 50 kΩ, RE = 75 kΩ, β = 120, VBE(on) = 0.7 V, and VA = ∞. Determine Ad, Acm, and CMRR|dB for ∆gm/gm = 0.01 and for vo = vC1 − vC2. Assume v1 = v2 = 0 in the quiescent condition.
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