Question: 1 3 . 2 2 . Consider the instrumentation - quality differential amplifier shown in Figure 1 3 . 3 4 on page 6 9

13.22. Consider the instrumentation-quality differential amplifier shown in Figure 13.34 on page 697, with R1=1k,R2=9k, and R=10k. The input signals are given by
v1(t)=2cos(2000t)+2cos(120t)
v2(t)=-2cos(2000t)+2cos(120t)
Find expressions for the differential and comon-mde companents of the input signd.
b. Assuming ideal op amps, find expressions for the voltages at the output terminals of x1 and x2.
c. Again assuming ideal op amps, find an expression for the output voltage vo(t).
1 3 . 2 2 . Consider the instrumentation -

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