Hi team,
Customer is testing our DAC3482 in a signal generator project. They found that the output amplitude of the DAC3482 will decrease when the output frequency increases.
The datarate is 500M, Interpolation=2, Sample rate=1Gsps. When the output frequency increases from 10M to 100M, the output amplitude will decrease as the frequency increases. However, when the output frequency increases from 100M to above, the output amplitude will increase as the frequency increases. We also enabled the internal Inverse Sinc Filter but it doesn't work. Could you please help check this issue?
Best regards,
Wayne
