Hi Victor, Here are the front ends (transformer and Differential Amp) used on the ADS4128EVM (Evaluation Module). The diff amp input has pads available for some filtering if you would like to test your filter design. You should be ok to filter as described, but I would ensure that the 10 ohm resistors are present at the input of the ADC (located on the transformer input side) to reduce sampling glitch. Best Regards, Dan
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