Other Parts Discussed in Thread: ADC10D1500
In my project with an ADC - adc12d1800, Two channel sampling, Q road is normal, I road is abnormal.
Abnormal phenomena of the specific as follows: the noise test, observation from the XILINX-ISE-chipscope, DI and DID not overlap. Reset for many times, both the location of the instability.
This phenomenon appeared in the work after period of time.
Figure 1 is the normal phenomenon
Figure 2 and 3 is the abnormal phenomenon(blue-DI; green-DID; red-DQ and DQD)
What causes this phenomenon? Thanks for your help!