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Inverting  Summing  Amplifier MT-214

Question asked by mswanson on Apr 16, 2018

Hi ADI,

I have been happy to brush up on my op-amp theory with your mini tutorials and think I spotted a small typo in an equation.  On page 2, the (V2-Vref) chunk should be multiplied by the resistor ratio of that input, similar to Eq. 4. 

See attached image for possible correction.

http://www.analog.com/media/en/training-seminars/tutorials/MT-214.pdf

 

What do you think?

 

-Mike

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