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ADXL327 Question

Question asked by dkutten on Jul 19, 2016
Latest reply on Aug 15, 2016 by STallur

I have a question about the ADXL327. I reduced the output bandwidth from 300Hz to 1Hz, using a first-order LPF as suggested by the datasheet. The noise level was only reduced by about 60%. I expected it to be reduced by at least 94%, i.e. proportional to the square root of the frequency. Is this normal?