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Size: 363
Comment:
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← Revision 29 as of 2019-02-17 17:26:46 ⇥
Size: 1678
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 1: | Line 1: |
| = EX0 rack = measured behind EX0 rack [[attachment:ex0_2.jpg|jpg]] |
= Cryocooler P53 = measured near Cryocooler P53 [[attachment:cryocooler.jpg|jpg]] |
| Line 5: | Line 5: |
| There is noise in 60-150 MHz. | measured in 6 situations || situation || small cryocooler || big cryocooler || FFU filters & fan for EXC chamber || || 1 || off || off || on || || 2 || on || off || on || || 3 || on || on || on || || 4 || on || on || off || || 5 || off || off || off || |
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| The peak of the noise is around 112.5 MHz. | Situation 6 is situation 5 with an ele-mag protection sheet |
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| = 0-250 MHz = {{attachment:ex0_0_250_2.jpg|jpg}} |
== situation 1 == |
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| = 0-5 MHz = {{attachment:ex0_0_5_2.jpg|jpg}} |
||<:> ~+0-250 MHz+~ ||<:> ~+0-20 MHz+~ ||<:> ~+0-5 MHz+~ || ||{{attachment:cryocooler1_0_250.png|png}}||{{attachment:cryocooler1_0_20.png|png}}||{{attachment:cryocooler1_0_5.png|png}}|| |
| Line 15: | Line 20: |
| = 50-150 MHz = {{attachment:ex0_50_150_2.jpg|jpg}} |
== situation 2 == |
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| = 110-115 MHz = {{attachment:ex0_110_115_2.jpg|jpg}} |
||<:> ~+0-250 MHz+~ ||<:> ~+0-20 MHz+~ ||<:> ~+0-5 MHz+~ || ||{{attachment:cryocooler2_0_250.png|png}}||{{attachment:cryocooler2_0_20.png|png}}||{{attachment:cryocooler2_0_5_2.png|png}}|| == situation 3 == ||<:> ~+0-250 MHz+~ ||<:> ~+0-20 MHz+~ ||<:> ~+0-5 MHz+~ || ||{{attachment:cryocooler3_0_250.png|png}}||{{attachment:cryocooler3_0_20.png|png}}||{{attachment:cryocooler3_0_5.png|png}}|| == situation 4 == ||<:> ~+0-250 MHz+~ ||<:> ~+0-20 MHz+~ ||<:> ~+0-5 MHz+~ || ||{{attachment:cryocooler4_0_250.png|png}}||{{attachment:cryocooler4_0_20.png|png}}||{{attachment:cryocooler4_0_5.png|png}}|| == situation 5 == ||<:> ~+0-250 MHz+~ ||<:> ~+0-20 MHz+~ ||<:> ~+0-5 MHz+~ || ||{{attachment:cryocooler5_0_250.png|png}}||{{attachment:cryocooler5_0_20.png|png}}||{{attachment:cryocooler5_0_5.png|png}}|| == situation 6 == ||<:> ~+0-250 MHz+~ ||<:> ~+0-20 MHz+~ ||<:> ~+0-5 MHz+~ || ||{{attachment:cryocooler6_0_250.png|png}}||{{attachment:cryocooler6_0_20.png|png}}||{{attachment:cryocooler6_0_5.png|png}}|| |
Cryocooler P53
measured near Cryocooler P53 jpg
measured in 6 situations
situation |
small cryocooler |
big cryocooler |
FFU filters & fan for EXC chamber |
1 |
off |
off |
on |
2 |
on |
off |
on |
3 |
on |
on |
on |
4 |
on |
on |
off |
5 |
off |
off |
off |
Situation 6 is situation 5 with an ele-mag protection sheet
situation 1
0-250 MHz |
0-20 MHz |
0-5 MHz |
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situation 2
0-250 MHz |
0-20 MHz |
0-5 MHz |
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situation 3
0-250 MHz |
0-20 MHz |
0-5 MHz |
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situation 4
0-250 MHz |
0-20 MHz |
0-5 MHz |
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situation 5
0-250 MHz |
0-20 MHz |
0-5 MHz |
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situation 6
0-250 MHz |
0-20 MHz |
0-5 MHz |
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