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the disturb of AD8237

Question asked by liufeng28 on May 31, 2017
Latest reply on Jun 20, 2017 by christoliver

first,the output of AD8237 has the disturb of 50hz,When no difference signal input,but when the difference signal inputs is applied to the pin 2 and 3 of AD8237,this is ok. the disturb signal is as follows:the disturb of AD8237 output


secondly,i want to introduce my project application background.the Wheatstone bridge is used to test the vibration ,but differential signals have high frequency part caused by vibration,which make the power of AD8237 have more noise,for example ,when the Wheatstone bridge is excited by vibrating,the power of AD8237 have more noise,may be the transient voltage will be above 6v.