MarcEisenmann - 18:17, Thursday 07 January 2021 (2329)
Comment to Investigation of 20kHz noise in SHG error signal (Click here to view original report: 2328)
Participants : Marc, Yuhang
Here are the figures :
First no DDS board connected to the rack : all the peaks disappear.
Then, DDS board connected one by one we can see that each DDS is causing one of the peak around 20 kHz.
DDS1 -> 18 112 Hz
DDS2 -> 17 728 Hz
DDS3 -> 21 312 Hz
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