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Square Root Calculation For Dp Flow Transmitter? |
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Answer» So, the way you would go about doing SQUARE ROOT extraction is by USING an analog multipler. An analog multiplier has three inputs Vx, VY & Vz. The output is given by Vo = (Vx*Vy)/Vz; If we set Vy = 1V and Vo = Vz through a FEEDBACK loop, we get Vo.^2 = Vx => Vo = sqrt(Vx). So, the way you would go about doing square root extraction is by using an analog multipler. An analog multiplier has three inputs Vx, Vy & Vz. The output is given by Vo = (Vx*Vy)/Vz; If we set Vy = 1V and Vo = Vz through a feedback loop, we get Vo.^2 = Vx => Vo = sqrt(Vx). |
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