I test the DC output of AD9166 (AD9166-FMC-EBZ).
The configure of ACE is as follows:
Use DPG Downloader to send DC value，everytime I change the Value. I use Tek 6Series oscilloscope at 50Ω load and 20MHz Bandwidth.Averge mode(2048 times)，and the results are mean value of oscilloscope. Oscilloscope is working at 2mV/div.
The test results:
By using matlab the plot is ：
It can be seen that there are large step on 0x100, 0x200, 0x300, 0x400. Why? I guess that in other value such as 0x1000, 0x1100, et . al will also exist large step.
Can anyone give me some help?