what's the type of the output of FIR filter?

[carlyou]

Now, I'm focus on the sigma-delta ADC, when I study the part of digital filtering, I found that the FIR filter uses convolution to implement decimation and digital filtering, I think the output must be a discrete signal (I simulated it under MATLAB), but the ADCs' output must be digital signal? who can tell me what happened? 3x.

 

[brmadhukar]

Hi,
your question is not clear. The ADC and FIR output are both discrete!
B R
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