Hi Damien, Your picture did not attach correctly. Please try to upload it again. The ADS1298RECGFE-PDK assumes you are using the RLD to bias the DC-coupled inputs. Check out our training portal for some useful videos on ECG signal chain. This may be helpful to explain the different signal chain requirements. One of the sections details the difference between AC coupled and DC coupled inputs. training.ti.com/how-measure-ecg-guide-signals-system-blocks-and-solutions Best Regards,
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