Problem 4.4 With its noninverting-input voltage at 10 μ V, the output voltage of an op amp is − 15 V. If A = 5 × 10 5 and V cc = 15 V, can you determine the magnitude of the inverting-input voltage? If not, can you determine its possible range? Solution: Since v o = − v cc = − 15 V, the op amp is in saturation, which means that
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