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AdV-DAQ (Data Acquisition and Global Control)
masserot, pillant - 15:21 Tuesday 14 August 2018 (42437) Print this report
Comment to Timing distribution upgrade: distributing a 100 MHz clock (42378)

The LNFS was set to internal PLL instead of external PLL (10MHz ) today at 10h31m48sUTC by Gabriel.

This plots shows the transition, there is a jump on all deltaFreq channels

  • blue: 20180814-11h50mUTC
  • brown: 20180813-05h00mUTC
  • purple: 20180807-05h00mUTC

The last plots shows the reduction of noise and on the correlation when the LNFS is not slaved

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