Sample problems Topic: Operational Amplifiers Statement of problem The opamp in the circuit is ideal. -+ov+−9V−15V7kΩ32kΩ75kΩ25kΩ8kΩsvFind ovin terms ofsv. Solution Due to the virtual open circuit property, the circuit looks like ov+−9V−15V7kΩ32kΩ8kΩ75kΩ25kΩsvv+v+The voltage at the positive port of the opamp is obtained from the right hand side circuit 75325754sskvvvk
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