Differences between revisions 1 and 7 (spanning 6 versions)
Revision 1 as of 2019-02-05 09:08:50
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Editor: taiki.tanaka
Comment:
Revision 7 as of 2019-02-17 17:33:51
Size: 385
Editor: taiki.tanaka
Comment:
Deletions are marked like this. Additions are marked like this.
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measured around FFU filters of center-side measured around FFU filters of center-side in clean room
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FFU filter o, cryocooler off, fun for EXC chamber on FFU filter: on, cryocooler: off, fun for EXC chamber: on

There is noise in 4-9 MHz.
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{{attachment:ffucenter_0_250.jpg|jpg}} {{attachment:ffucenter_0_250.png|png}}
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{{attachment:ffucenter_0_5.jpg|jpg}} {{attachment:ffucenter_0_5.png|png}}
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== 0-30 MHz ==
{{attachment:ffucenter_0_30.jpg|jpg}}

== 35-45 MHz ==
{{attachment:ffucenter_35_45.jpg|jpg}}

== 75-85 MHz ==
{{attachment:ffucenter_75_85.jpg|jpg}}

== 115-125 MHz ==
{{attachment:ffucenter_115_125.jpg|jpg}}
== 0-20 MHz ==
{{attachment:ffucenter_0_20.png|png}}

FFU filters of center-side

measured around FFU filters of center-side in clean room jpg

FFU filter: on, cryocooler: off, fun for EXC chamber: on

There is noise in 4-9 MHz.

0-250 MHz

png

0-5 MHz

png

0-20 MHz

png

KAGRA/Subgroups/PEM/Reports/RFMeasurement/FFUCenter (last edited 2019-02-17 17:33:51 by taiki.tanaka)