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| || AS11 || 121 || || SCLF-10.7 || PSCQ-2-51W || || || w/ amp board || || REFL11 || 021 || || SCLF-10.7 || PSCQ-2-51W || || || || |
|| AS11 || 121 || || SCLF-10.7 || PSCQ-2-51W || || || || || REFL11 || 021 || || SCLF-10.7 || PSCQ-2-51W || || || w/ amp board|| |
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| || AS55 || 029 || || SCLF-65 || PSCQ-2-51W || || || || | || AS55 || 029 || || SCLF-65 || PSCQ-2-51W || || || w/ amp board || |
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| . [9] Circuit schematic [[https://dcc.ligo.org/cgi-bin/DocDB/ShowDocument?docid=20605 | LIGO D990511-x0 ]] | |
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------ <<BR>> <<BR>> = Links = . [[ Electronics/WhiteningFilters | Whitening filters for the LSC demod signals]] |
Contents
Summary of Demodulation Boards
Name
S/N
Rev.
LPF
Splitter
Amp. Imbalance [dB]
Phase difference [deg]
Notes
AS11
121
SCLF-10.7
PSCQ-2-51W
REFL11
021
SCLF-10.7
PSCQ-2-51W
w/ amp board
POY11
119
SCLF-10.7
PSCQ-2-32
POX11
SCLF-10.7
PSCQ-2-51W
POP11
SCLF-10.7
POP22
020
SCLF-21.4
PSCQ-2-32
REFL33
SCLF-33+
AS55
029
SCLF-65
PSCQ-2-51W
w/ amp board
REFL55
118
SCLF-65
PQW-2-90
POP55
SCLF-65+
-
w/ amp board
POP110
120
SCLF-135
PSCQ-2-120
REFL165
SCLF-190
AS165
SCLF-190
POP165
SCLF-190
References
[1] Ordering Low pass filters 40m elog #4459
[2] Low pass filters and the old name convention 40m elog #4511
[3] Power splitter Upgrade 40m elog #4538
[4] How to replace the splitter 40m elog #4554
[5] Replacement of the splitters 40m elog #4698
[6] Replacement of the splitters part II 40m elog #4714
[7] I/Q imbalance tests 40m elog #4736
[8] 1Y2 rack pictures Electronics/1Y2
[9] Circuit schematic LIGO D990511-x0
Board Arrangement on 1Y2 Rack
Diagram needs to be updated !
- The latest version is available on the 40m svn:
https://nodus.ligo.caltech.edu:30889/svn/trunk/suresh/40m_RF_upgrade/1Y2%20Rack%20Layout.pdf
Upgrading of Demodulation Boards
We are currently at the intermediate state
