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Altera_Forum
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14 years ago

ADC output from LVDS deserializer.

Hi, I have a an ADC sampling at 40 MHz, and it output LVDS signal, so i have to deserialize it using my DE2-115, but i am having trouble with the deserialized signal (shown in the picture), it ...
Altera_Forum's avatar
Altera_Forum
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14 years ago

From the AdcOut picture, the spurs cover all over sina signal. The big spurs are caused by the Msb bit, the small spurs caused by the Lsb bit. So, I guess the possiblity of mismatch is very high.