What will be the OPAMP circuit to implement the following equation Vo = -Va - Vb + Vc + Vd where Va = 2v, Vb = 3V, Vc= 4V, Vd= 5V.?
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Answer:
Use a simple summing amplifier. Since it is inverting, reverse the polarity of Vc and Vd. Wikipedia- http://en.wikipedia.org/wiki/Operational_amplifier_applications#Summing_amplifiers
Sarthak Singhal at Quora Visit the source
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