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发表于 2020-5-20 20:42:32
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Hi , thank you for your advise. for debug my circuit I change (DAC, Comparator, Sample Switch and DAC Driver with Ideal Elements) and this my result:
SNDR=59.92 dB , ENOB=9.66 , SFDR=63.8dB. after many search in the internet, I found that amplitude of input signal impress the SFDR. by changing the input amplitude the SFDR will change but I don't know how shal I set the input amplitude for best result![](static/image/smiley/default/sad.gif)
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