Modifications to the CM board (Refl servo)
- Document #:
- LIGO-E1800338-v2
- Document type:
- E - Engineering documents
Other Versions:
| LIGO-E1800338-v1
26 Feb 2019, 09:39 |
- Abstract:
- The common mode servo of the interferometer suffers from noise in the DAQ readbacks that are due to large high frequency signals. There is also a lack of boost filters to squash the low frequency noise below 100Hz.
- Files in Document:
-
- E1800338-v2.pdf (47.1 kB)
- Other Files:
- E1800338-v2.docx (114.4 kB)
- Topics:
- Authors:
- Notes and Changes:
- Change:
- Add extra gain of 5 to error DAQ readback (R56)
- Add extra 15kHz poles to slow & fast DAQ readbacks (C242 and C293)