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AMC1303E2520: Sinc filter -3dB point

Part Number: AMC1303E2520
Other Parts Discussed in Thread: AMC1210

Hi, 

in   I found 

"

The sinc3 filter,(...) attenuates signals to –3 dB at 0.262 x fdr and ...

"

I tried to find the -3 dB point for other filter but could not find them. 

Can I have the -3 dB points for sinc1, sinc2, sincfast too (if it matters I'm using TMS320F2827xS SDFMs)?  Do you maybe have some examples of detailed filter response curve? All the graphs in the TRMs are small and not detailed.

Best regards, 

Marko Ante