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 Mon Nov 3 15:16:28 2014, Dmass, Noise Hunting, Noise Budget, New beat spectrum: 
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 Mon Nov 3 16:15:21 2014, Dmass, Noise Hunting, Noise Budget, Beat spectrum not ltd by
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Mon Nov 3 20:27:28 2014, Dmass, Noise Hunting, Noise Budget, ISS servo fail?
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Wed Nov 19 14:54:36 2014, nicolas, Noise Hunting, Noise Budget, ISS servo fail?
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Tue Dec 2 22:51:52 2014, Dmass, Noise Hunting, Noise Budget, Beat spectrum not ltd by
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Sat Sep 12 14:25:05 2015, Dmass, Noise Hunting, Noise Budget, Beat spectrum not ltd by
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Mon Nov 3 20:36:14 2014, Dmass, Noise Hunting, Noise Budget, New beat spectrum:
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Tue Nov 25 22:45:43 2014, Dmass, Noise Hunting, Noise Budget, New beat spectrum:
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Wed Dec 3 17:02:31 2014, Dmass, Noise Hunting, Noise Budget, Noise budget cleaning up
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Thu Dec 4 02:45:49 2014, Dmass, Noise Hunting, Noise Budget, Noise budget cleaning up
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Sun Dec 7 12:42:55 2014, rana, Noise Hunting, Noise Budget, Scatter Noise hump is RAM
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Message ID: 1174
Entry time: Wed Dec 3 17:02:31 2014
In reply to: 1168
Reply to this: 1175
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| Author: |
Dmass |
| Type: |
Noise Hunting |
| Category: |
Noise Budget |
| Subject: |
Noise budget cleaning up |
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Looked at noisebudget on SVN and some of the measurements are dated / no loner applicable:
Update Noisebudget:
- PDH sensing noise with transformers in demod chain
- LB1005 input referred noise with low pass + higher gain setting
- Current driver output noise (measured across resistive load with Rai's low noise preamp)
- PDH loops E+W
- Transmitted RIN E+W (potentially new minima)
Take and compare:
- Err and control for E+W PDH past 100 kHz (and scope RMS / peak to peak vs integrated RMS of PSD)
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