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| . [1] Ordering Low pass filters [http://nodus.ligo.caltech.edu:8080/40m/4459 40m elog #4459] . [2] Low pass filters and the old name convention [http://nodus.ligo.caltech.edu:8080/40m/4511 40m elog #4511] . [3] Power splitter Upgrade [http://nodus.ligo.caltech.edu:8080/40m/4538 40m elog #4538] . [4] How to replace the splitter [http://nodus.ligo.caltech.edu:8080/40m/4554 40m elog #4554] . [5] Replacement of the splitters [http://nodus.ligo.caltech.edu:8080/40m/4698 40m elog #4698] . [6] Replacement of the splitters part II [http://nodus.ligo.caltech.edu:8080/40m/4714 40m elog #4714] . [7] I/Q imbalance tests [http://nodus.ligo.caltech.edu:8080/40m/4736 40m elog #4736] |
. [1] Ordering Low pass filters [[http://nodus.ligo.caltech.edu:8080/40m/4459|40m elog #4459]] . [2] Low pass filters and the old name convention [[http://nodus.ligo.caltech.edu:8080/40m/4511|40m elog #4511]] . [3] Power splitter Upgrade [[http://nodus.ligo.caltech.edu:8080/40m/4538|40m elog #4538]] . [4] How to replace the splitter [[http://nodus.ligo.caltech.edu:8080/40m/4554|40m elog #4554]] . [5] Replacement of the splitters [[http://nodus.ligo.caltech.edu:8080/40m/4698|40m elog #4698]] . [6] Replacement of the splitters part II [[http://nodus.ligo.caltech.edu:8080/40m/4714|40m elog #4714]] . [7] I/Q imbalance tests [[http://nodus.ligo.caltech.edu:8080/40m/4736|40m elog #4736]] |
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| . [9] Circuit schematic [[https://dcc.ligo.org/cgi-bin/DocDB/ShowDocument?docid=20605 | LIGO D990511-x0 ]] | |
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| . [https://nodus.ligo.caltech.edu:30889/svn/trunk/suresh/40m_RF_upgrade/1Y2%20Rack%20Layout.pdf] | . [[https://nodus.ligo.caltech.edu:30889/svn/trunk/suresh/40m_RF_upgrade/1Y2%20Rack%20Layout.pdf]] |
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| attachment:upgrade_demod.png | {{attachment:upgrade_demod.png}} ------ <<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
w/ amp board
REFL11
021
SCLF-10.7
PSCQ-2-51W
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
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
