321
edits
Changes
Jump to navigation
Jump to search
Line 25:
Line 25: − + Line 43:
Line 43: − + Line 52:
Line 52: + + + + + + + + + + +
Active Collimator Installation Pictures (view source)
Revision as of 20:51, 23 October 2014
, 20:51, 23 October 2014no edit summary
===Pictures===
===Pictures===
Below are pictures of the assembling process
Below are pictures of the assembling process
<gallery perrow=6>
<gallery perrow=4>
image:collimator_machined_screw.jpg|A machined screw for the RF connector.
image:collimator_machined_screw.jpg|A machined screw for the RF connector.
image:active_collimator_01.jpg|The back of the active collimator with only 4 installed wedges.
image:active_collimator_01.jpg|The back of the active collimator with only 4 installed wedges.
The active collimator has been installed in the collimator cave in Hall D. A shielding box was constructed out of plexi and placed above the active collimator.
The active collimator has been installed in the collimator cave in Hall D. A shielding box was constructed out of plexi and placed above the active collimator.
<gallery perrow=6>
<gallery perrow=4>
image:ActColOnMount.jpg|Active collimator preamps mounted and cabled inside of the plexi shielding.
image:ActColOnMount.jpg|Active collimator preamps mounted and cabled inside of the plexi shielding.
image:ActColShielding.jpg|An overhead view of the active collimator preamps inside the shield box.
image:ActColShielding.jpg|An overhead view of the active collimator preamps inside the shield box.
==Initial noise measurements==
==Initial noise measurements==
Initial noise measurements were recorded by Trent Allison on October 6, 2014. Below is a gallery of the waveforms from each wedge at each gain.
Initial noise measurements were recorded by Trent Allison on October 6, 2014. Below is a gallery of the waveforms from each wedge at each gain.
<gallery perrow=4>
image:AC_gain_10e-06.JPG|Noise with gain of 10e-6
image:AC_gain_10e-07.JPG|Noise with gain of 10e-7
image:AC_gain_10e-08.JPG|Noise with gain of 10e-8
image:AC_gain_10e-09.JPG|Noise with gain of 10e-9
image:AC_gain_10e-10.JPG|Noise with gain of 10e-10
image:AC_gain_10e-11.JPG|Noise with gain of 10e-11
image:AC_gain_10e-12.JPG|Noise with gain of 10e-12
</gallery>
==Monitoring screens==
==Monitoring screens==
===Acronyms===
===Acronyms===