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Revision 4 as of 2011-11-04 10:17:37
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Revision 25 as of 2011-11-04 11:08:41
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Editor: KiwamuIzumi
Comment:
Deletions are marked like this. Additions are marked like this.
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= LSC demodulation board = = Demodulation Boards =
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 || ''''' Name ''''' || ''''' S/N '''''||''''' Rev.''''' ||''''' LPF ''''' || ''''' Splitter'''''||''''' Notes''''' ||
 || AS11 || 121 || || || PSCQ-2-51W || ||
 || REFL11 || 021 || || || PSCQ-2-51W || ||
 || POY11 || 119 || || || PSCQ-2-32 || ||
 || POX11 || || || || PSCQ-2-51W || ||
 || AS55 || 029 || || || PSCQ-2-51W || ||
 || REFL55 || 118 || || || PQW-2-90 || ||
 || POP55 || || || || - || ||
 || POP22 || 020 || || || PSCQ-2-32 || ||
 || POP110 || 120 || || || PSCQ--120 || ||
 || ''''' 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 [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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= 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]

 attachment:1Y2_demod.png

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= 2-Step Upgrading =
''' We are currently at the intermediate state '''

 attachment:upgrade_demod.png

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


BR BR

Board Arrangement on 1Y2 Rack

Diagram needs to be updated !


BR BR

2-Step Upgrading

We are currently at the intermediate state

  • attachment:upgrade_demod.png

Electronics/LSC_demoddulators (last edited 2017-05-04 02:53:01 by GautamvenugopalanATligoDOTorg)