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Fri Feb 14 17:40:27 2020, anchal, DailyProgress, ISS, Installed ISS on both paths using SR560s 
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Sat Feb 15 18:57:43 2020, rana, DailyProgress, ISS, Installed ISS on both paths using SR560s
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Thu Feb 20 17:42:23 2020, rana, DailyProgress, ISS, Installed New ISS on both paths using SR560s
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Sun Feb 23 18:19:32 2020, rana, DailyProgress, ISS, Installed New ISS on both paths using SR560s
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Fri Feb 28 14:00:11 2020, anchal, DailyProgress, ISS, Installed New ISS on both paths using SR560s - PROBLEM
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Sun Mar 1 16:34:31 2020, rana, DailyProgress, ISS, Installed New ISS on both paths using SR560s - PROBLEM
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Mon Mar 2 16:48:12 2020, anchal, DailyProgress, ISS, Follow-up, porbalem stopped happening, OLTF plot.
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Message ID: 2539
Entry time: Sat Feb 15 18:57:43 2020
In reply to: 2538
Reply to this: 2542
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Author: |
rana |
Type: |
DailyProgress |
Category: |
ISS |
Subject: |
Installed ISS on both paths using SR560s |
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you don't need 6(!!) SR560s - just 1 for each loop:
- AC coupled,
- 1st order high pass at 300 Hz,
- 1st order low pass at 300 Hz
- Aim for a UGF of ~10 kHz
Then use multi-res spectra and check out the out-of-loop noise (with loop on/off). The in-the-loop noise is always an underestimate. |