Tags:
create new tag
view all tags

IpBpm tunes

  • Filter width 0.1
  • DDC delay 5 for vertical

BPM Direction Frequency Decay Sample time File
IPT1 x 0.1609 -15.4122 18.03 bpmLog_20111027_235224.dat.gz
IPT2 x 0.1638 -15.4619 17.03 bpmLog_20111027_235222.dat.gz
IPT3 x 0.1708 -13.4723 17.03 bpmLog_20111027_235219.dat.gz
IPT1 y 0.22988 -13.3735 17.03 bpmLog_20111027_234835.dat.gz
IPT2 y 0.21736 -8.6408 17.03 bpmLog_20111027_235057.dat.gz
IPT3 y 0.22849 -11.9620 17.03 bpmLog_20111027_235111.dat.gz

  • set LO to 694.014 MHz (improved reference signal)
  • 40 dB attenuation x, 30 dB attenuation for y

BPM Direction Frequency Decay Sample time File
IPT1 x 0.2242 -14.3254 18.03 bpmLog_20111028_023022.dat.gz
IPT2 x 0.2214 -16.3462 18.03 bpmLog_20111028_023024.dat.gz
IPT3 x 0.2142 -12.7844 18.03 bpmLog_20111028_023026.dat.gz
IPT1 y 0.1550 -13.9177 18.03 bpmLog_20111028_023227.dat.gz
IPT2 y 0.1672 -8.9823 18.03 bpmLog_20111028_023230.dat.gz
IPT3 y 0.1564 -12.1169 18.03 bpmLog_20111028_023231.dat.gz

ipt1Display.gif

ipt1Display.gif

  • change the variable attenuator setting
  • calibration range (10, -200, 200, 10)

Direction Attenuator (dB) File
x 60 bpmCalib_20111028_040711.dat
x 50 bpmCalib_20111028_041606.dat
x 40 bpmCalib_20111028_042346.dat
x 30 bpmCalib_20111028_043124.dat
x 20 bpmCalib_20111028_044120.dat
x 10 bpmCalib_20111028_045011.dat
y 50 bpmCalib_20111028_041026.dat
y 40 bpmCalib_20111028_041936.dat
y 30 bpmCalib_20111028_042646.dat
y 20 bpmCalib_20111028_043501.dat
y 10 bpmCalib_20111028_044421.dat
y 0 bpmCalib_20111028_045429.dat

  • calibration range (10, -300, 300, 10)
Direction Attenuator (dB) File
x 60 bpmCalib_20111028_051702.dat
x 50 bpmCalib_20111028_052841.dat
x 40 bpmCalib_20111028_054153.dat
x 30 bpmCalib_20111028_055054.dat
x 20 bpmCalib_20111028_060251.dat
x 10 bpmCalib_20111028_061157.dat
y 50 bpmCalib_20111028_052217.dat
y 40 bpmCalib_20111028_053416.dat
y 30 bpmCalib_20111028_054548.dat
y 20 bpmCalib_20111028_055500.dat
y 10 bpmCalib_20111028_060652.dat

Wide range scan for checking some effect to down stream due to the IPBPMs

  • mover position -500 to 500, 50 step scan : beam was not stable
  • 10 dB attenuator for X and Y

Horizontal direction

File
bpmLog_20111028_065847.dat
bpmLog_20111028_070012.dat
bpmLog_20111028_070126.dat
bpmLog_20111028_070244.dat
bpmLog_20111028_070403.dat
bpmLog_20111028_070521.dat
bpmLog_20111028_070620.dat
bpmLog_20111028_070718.dat
bpmLog_20111028_070831.dat
bpmLog_20111028_070934.dat
bpmLog_20111028_071031.dat
bpmLog_20111028_071133.dat
bpmLog_20111028_071241.dat
bpmLog_20111028_071403.dat
bpmLog_20111028_071551.dat
bpmLog_20111028_071712.dat
bpmLog_20111028_071828.dat
bpmLog_20111028_071946.dat
bpmLog_20111028_072053.dat
bpmLog_20111028_072144.dat
bpmLog_20111028_072238.dat

Vertical direction

File Comments
bpmLog_20111028_074014.dat  
bpmLog_20111028_074109.dat  
bpmLog_20111028_074212.dat  
bpmLog_20111028_074328.dat  
bpmLog_20111028_074434.dat  
bpmLog_20111028_074543.dat  
bpmLog_20111028_074651.dat  
bpmLog_20111028_074758.dat  
bpmLog_20111028_074903.dat  
bpmLog_20111028_075008.dat  
bpmLog_20111028_075104.dat IPT2 : 70 nm
bpmLog_20111028_075230.dat  
bpmLog_20111028_075351.dat  
bpmLog_20111028_075456.dat  
bpmLog_20111028_075601.dat  
bpmLog_20111028_075700.dat  
bpmLog_20111028_075806.dat  
bpmLog_20111028_075911.dat  
bpmLog_20111028_080022.dat  
bpmLog_20111028_080124.dat  
bpmLog_20111028_080218.dat  

Edit | Attach | Watch | Print version | History: r8 < r7 < r6 < r5 < r4 | Backlinks | Raw View | Raw edit | More topic actions

Physics WebpagesRHUL WebpagesCampus Connect • Royal Holloway, University of London, Egham, Surrey TW20 0EX; Tel/Fax +44 (0)1784 434455/437520

Topic revision: r8 - 01 Nov 2011 - YoungimKim

 
This site is powered by the TWiki collaboration platform Powered by PerlCopyright © 2008-2022 by the contributing authors. All material on this collaboration platform is the property of the contributing authors.
Ideas, requests, problems regarding RHUL Physics Department TWiki? Send feedback