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| Deletions are marked like this. | Additions are marked like this. |
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| = Demodulation Boards = | = Summary of Demodulation Boards = |
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| || AS11 || 121 || || || PSCQ-2-51W || || || w/ amp board || || REFL11 || 021 || || || PSCQ-2-51W || || || || || POY11 || 119 || || || PSCQ-2-32 || || || || || POX11 || || || || PSCQ-2-51W || || || || || POP22 || 020 || || || PSCQ-2-32 || || || || || REFL33 || || || SCLF-33+ || || || || || || AS55 || 029 || || || PSCQ-2-51W || || || || || REFL55 || 118 || || || PQW-2-90 || || || || || POP55 || || || || - || || || w/ amp board || || POP110 || 120 || || || PSCQ-2-120 || || || || || REFL165 || || || || || || || || |
|| 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] . [8] 1Y2 rack pictures [[Electronics/1Y2]] |
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| = 2-Step Upgrading = | = Upgrading of Demodulation Boards = |
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 [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]
[8] 1Y2 rack pictures Electronics/1Y2
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
Upgrading of Demodulation Boards
We are currently at the intermediate state
- attachment:upgrade_demod.png