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Hello,
I am reading a book downloaded from Analog device. called Edch1 Op amps.pdf.
at page 54, there is a equation about calculate the total noise. NG in the equation represent noise gain. which is 1+ R2/R1. because all items in the square root are square volt. I guess all NG( or NG-1) should have a square too. because in a TI document called "Noise Analysis in Operational Amplifier Circuits"
similar equation has square on the gain item. could anyone confirm should there be a square on all Gain item.
thanks,
David