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ADS1198 Hardware Pace Detection Circuit

Other Parts Discussed in Thread: ADS1298, ADS1198

Hi all, 

We have implemented the hardware pace detection circuitry as given in the TI website in our board. The board has Vcc=3V. The circuit was simulated and tested out in TINA and was found to be working perfectly.

The issue that we are facing now is too much noise in the differentiator output waveform (roughly 200mV). What are possible suggestions for reducing the noise that we are seeing?

Regards,

Athira