Question: Problem 3: (8 points) When two in-phase inputs V1=2mV(rms) and V2=1mV(rms) are applied to the differential amplifier as shown in the figure, if ac=200, find

 Problem 3: (8 points) When two in-phase inputs V1=2mV(rms) and V2=1mV(rms)

Problem 3: (8 points) When two in-phase inputs V1=2mV(rms) and V2=1mV(rms) are applied to the differential amplifier as shown in the figure, if ac=200, find (1) the ac output voltage ( 4 points) and (2) the input impedance of the diff. amplifier(4 points)

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