5-19-08

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Tests of the beam position monitor and the FC using the HRRL

Position tests

Below we see the first signals from the BPM


BPM 20mA 25ns 10Hz Position1.png


changed current

Current scope picture
80(early) BPM position 80mA 1.pngBPM position 80mA 2.pngBPM position 80mA 3.png
40 BPM position 40mA 1.png BPM position 40mA 2.pngBPM position 40mA 3.png
80(later) BPM position 80mA(later) 1.png BPM position 80mA(later) 2.png BPM position 80mA(later) 3.png


changed position

position change asym scope picture
5 turns clockwise of platform 0.879 [math]\pm[/math] 0.0623 5 turns clockwise 1.png 5 turns clockwise 1.png
4 turn clockwise 0.659 [math]\pm[/math] 0.0149 1 turns counter clockwise 1.png
3 turn clockwise 0.646 [math]\pm[/math] 0.169 1 turns (2nd) counter clockwise 1.png
2 turn clockwise 1 [math]\pm[/math] 0.003 1 turns (3rd) counter clockwise (80mAmp) 1.png
4 turns counter clockwise 0 [math]\pm[/math] 0.003 12 turns counter clockwise 80mAmp.png
0 turns from center 3/8 [math]\pm[/math] 0.003 At center.png
8 turns clockwise 15/17 [math]\pm[/math] 0.003 8 turns clockwise.png
6 turns clockwise 7/9 [math]\pm[/math] 0.003 6 turns clockwise.png
2 turns counter clockwise 3/13 [math]\pm[/math] 0.003 2 turns counter clockwise.png


200px


DD 80mA 25ns 10Hz Position1.png

[1]

counter clockwise 1 turn

FC performance

Current (mA) scope picture
0 File:Put picture here
1 File:Put picture here
10
30
60
80


Rise of table per rotation

Current (mA) scope picture
0 File:Put picture here
1 File:Put picture here
10
30
60
80


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