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Detector Characterisation (Broadband noise)

mwas - 15:52 Friday 15 June 2018 (41856)

80Hz bump on B8, SWEB motor crate on

Looking at the noise budget I have noticed that the projection of scattered light based on the B8_DC power is only a factor 2 below the noise curve (figure 1).
Looking at spectrograms the extra noise bump on B8_DC started on Monday morning (figure 2).
This coincides with the turning on of the SWEB motor crate to allow the recovery from the west end building air conditioning problem.
It would be good to switch-off this motor crate if it is no longer needed.

Images attached to this report

41856_20180615154743_20180615spectrospectrolscb8dc50110604800.jpg

Comments to this report:

menzione - 20:14 Friday 15 June 2018 (41865)

At 17:50 UTC I switched OFF the SWEB Stepmotors Power Supply crate.