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how to get SNR in Candece's affirma analog enviroment?

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yuanxiao

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i run .tran analysis, then plot the psd from the calculator,
but how to normalized the psd and how to calculate the SNR?
 

just export the trans sim. results and use matlab to do the fft and to cal. the SNR
 

would you post a program that can export data from waveform?

Added after 4 hours 37 minutes:

I try to export data using following skill function
xVec = drGetWaveformXVec()
yVec = drGetWaveformYVec(),
but it seems the data is not uniformly sampled,
thus the fft results in Matlab are not accurate.
Is there any way to solve this problem?
 

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