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CN0532 circuit diagram LPF

Category: Hardware
Product Number: EVAL-CN0532-EBZ

Hello, in the "Figure 1. Complete ADXL1002 with IEPE Compatible Circuit Diagram" of the Circuit Note CN-0532 (Rev. 0), resistors R6, R8, capacitors C4 and C5 are indicated but not mentioned afterwards. I've checked as well the User Guide.

I want to confirm if these corresponds to a LPF on the analog signal? If so, what is the cut out frequency of that filter?

Thanks in advance!

typo corrected
[edited by: FelipeCook at 1:10 AM (GMT -4) on 11 Aug 2023]

Top Replies

    •  Analog Employees 
    Aug 14, 2023 in reply to FelipeCook +1 verified

    Hi  , 

    yes, that is a cascade of two RC low pass filters. Here is a Matlab script I put together to visualize the filter response. You can see there the filter transfer function. The -3dB cut off…