Thanks Alexander. I do understand that there are delay issues due to filters/communication and of course those delays are in the range of milliseconds. When I use sampling frequency of 102400Hz I get a decent delay (red rectangle at the image). Once I change to 204800Hz I get something outrageous -> 2s last for 3.8s (yellow rectangle at the image). According to the equations the delay shall be reduced for higher sampling frequency. I'm moving now to work with the NI-8452 device with the EVM. Hope it's an issue of the SW and not of the ADS1293 . Will keep you updated. Thanks, Oleg
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