The inverting op-amp circuit in Figure 9.9 has parameters R1 = 20kΩ, R2 = 200 kΩ, and Aod = 5 × 104 . The output voltage is υO = − 4.80 V. (a) Determine the closed-loop voltage gain, (b) Find the input voltage, (c) Determine the voltage at the inverting terminal of the op-amp. (d) Using υI from part (b), find the percent error in output voltage compared to the ideal value.
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