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How to calculate SNDR n SFDR from spectrum of SD modulator

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viswa

viswa

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Hi,

From the spectrum of SD modulator, if I integrate the noise in the band of intrest then it is SNR. But since noise and distortion are interleaved in the spectrum hw to find out snr and sndr separately. Also, is it possible to find sfdr from the spectrum of SD modulator?

Hoping for answers.

Thnx.
 

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