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arock1957

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  1. I have a question that is baffling me! The word "operational amplifier" originated from mathematical operations that could be performed with it. Assume you wanted to produce a circuit for which the output voltage was given by the expression V(out)=-3A-2B (A and B are variable input voltages). Show how this operation could be accomplished with a summing amplifier by drawing the circuit. Show values for resistors. Any ideas?
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