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Re: ADC Testing Question (Read 49 times)
ywguo
Community Fellow
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Posts: 943
Shanghai, PRC
Re: ADC Testing Question
Oct 01
st
, 2004, 9:49pm
Hello, Froggy,
Would you give more details about your testing method, instrument, and result? I thought it was difficult for those guys who were willing to help you if NOT in the light of your test procedure.
Best regards,
Yawei
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Paul
Community Fellow
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Posts: 351
Switzerland
Re: ADC Testing Question
Reply #1 -
Oct 6
th
, 2004, 1:02pm
Hello Froggy,
typically you design your ADC for a given sampling frequency (or a range of sampling frequencies). In measurement, you sweep the signal frequency over the possible input range up to Nyquist frequency. I am not sure what you mean by "when the ADC sampling frequency increase from low frequency to Nyquist frequency", does it mean you undersample the signal?
Paul
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