Ryan, Adding anti-aliasing filter in front of a high impedance input stage is a common practice in circuit design. The anti-aliasing filter does not eliminate the signal distortion. Please see the Figure 2 in my inserted PDF file, the anti-aliasing in channel A0.0+ has bandwidth of 318Hz, the signal waveform is still distorted. What I need is to eliminate the signal distortion. Please forward this issue to the IC designers and let the IC designer study this issue. Thanks Edward
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