How to determine SNDR using simulink ?

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del-sig

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Hi all

My thesis is to design 4th order band pass continuous time sigma delta modulator. Now I am currently working on simulink model. I'm having .mdl files from previous work, but I wanna know how to get SNDR for that simulink model.

Thanks in advance
 

use shrier tool box from matlab....
 

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    del-sig

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in your simulink model, add work space and stored all your points @ fs. After it, do fft and calculate SNR using signal power / noise power
 

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