calculating the SNR,THD and SFDR

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nijMcnij

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hello all,

can u please tell me how to calculate the SNR, THD and SFDR(spurious free dynamic range) of a designed 10bit ADC .

i have saved the digital read outs from the ADC for a ramp input.....but how do i calculate the SNR, THD and SFDR

many thanks
 

you can see there [/url]http://www.designers-guide.org/Forum/YaBB.pl?num=1144564815
this is a question i had asked........
 

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    nijMcnij

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thank you chungming for your comment,

how did u make the PSD plot in the link that u gave me?

did u use the psd function from calculator on the digital output lines (D0 - D9)?

could you explain in a little more detail how to calculate the SNR and SNDR?

because there were a lot of suggestions and i don't understand them all...

many thanks
 

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