Question: Figure P5.33 shows a noninverting operational amplifier. Assuming the operational amplifier is ideal, a. Verify that the system can be described by the following two

Figure P5.33 shows a noninverting operational amplifier.

Ri Ry A R, R, +R, (a) FIGURE P5.33 a. Noninverting amplifier;

Assuming the operational amplifier is ideal,

a. Verify that the system can be described by the following two equations:

b. block diagram

b. Check that these equations can be described by the block diagram of Figure P5.33(b).

c. Use Mason’s rule to obtain the closed-loop system transfer function Vo(s)/Vi(s).

d. Show that when A → ∞; Vo(s)/Vi(s) = 1 + Rf/Ri.

Ri Ry A R, R, +R, (a) FIGURE P5.33 a. Noninverting amplifier; b. block diagram

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