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AD7124-4 Sinc3 Filter Response

Question asked by JPD on Mar 7, 2017
Latest reply on Mar 13, 2017 by JellenieR

AD7124-4.pdf

 

Ref: Figure 99. Sinc3 Filter Response (10 SPS Output Data Rate, Zero Latency
Disabled or 3.33 SPS Output Data Rate, Zero Latency Enabled)

 

The filter gain is -120dB for frequencies which are integral multiples of 10. for other frequencies the filter gain varies from -40dB to -100dB. In a practical situation, where the noise can be of any frequency, how does one tackle the problem of lower attenuation? 

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