Tool/software:
Hi
My customer added input filter as below , and found ADS1292 output signal will become very small.
Can you help review is there any issue with the input filter below ? thanks!
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Hello PY,
The corner frequency of the high pass filter is too high (approximately 20 Hz). Also, the passband of the filter is attenuating the signal by almost 6 dB. Please increase the resistor divider values to 10MΩ each.
Original filter:
Modified filter (R15 and R10 = 10MΩ):
Regards,
Ryan