Interferometer_sensitivity_studies (General)cavalieri, huet, paoletti - 13:51 Tuesday 15 September 2009 (24739)
Print this reportSuppression of 44Hz and 88Hz bumpsAs mentioned in Reduction of fans' magnetic noise at NE, the modification of the fans position in the Coil Driver crate allowed to decrease the coupling of the fans line (44Hz and 1st harmonic 88Hz) in the CD board. And then these 2 lines have been removed from the DF (see fig 1).
