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ADS1298R: one lead ECG + Respiration with dry electodes

Part Number: ADS1298R


Hello,

Hopefully by know there is accumulated  knowledge about the use of dry electrodes with ADS129xR product line.

My goal is to design an ECG and Respiration rate sensing circuit using dry electrodes but I need some help with:

1. Has there been any successful two electrode implementation for ECG and Respiration simultaneous sensing?

2. Approximately where should we locate these two electrodes? It seems the upper chest is good for ECG but no so for respiration.

3. What is the best configuration that minimizes motion artifacts (as my system is for ambulatory applications); i.e. AC coupled vs. DC coupled, with or without RLD, the lead-off is ON or OFF, etc. again for dry electrode design?

Thanks!