Question: Problem 2 ( 4 0 pts ) A differential amplifier with a differential gain = 1 0 0 0 V / V , a differential

Problem 2(40 pts)
A differential amplifier with a differential gain =1000 V/V, a differential input resistance Rid =100 k, and an output resistance ro =1 k. For R1=10 k and R2=90 k.
(a) Determine the gain Vo/Vs of the feedback amplifier.
(b) Find its input resistance Rin, and its output resistance Rout.
(c) lf the gain is known to vary by 10% of its nominal value, what is the variability of the gain of the feedback amplifier?

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