Difference between revisions of "WarrensVFATRuns"

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The following table, Table 3, shows the results of having turned Vthreshold_1 all the way up and flipping the MSPOLARITY bit to ON. I'm not sure what this means since I was expecting all "ones" this time considering what I had discovered about the front-end circuitry last week.
  
  

Latest revision as of 16:05, 29 June 2009

GEMHV Settings for Table 1

Ch1 3500 Ch2 3200

VFAT Settings for Table 1

  1. ContReg<0> 0x09 set
  1. ContReg<1> 0xFF off
  1. IPreampIn 0xA8 set
  1. IPreampFeed 0x50 set
  1. IPreampOut 0x96 set
  1. IShaper 0x96 set
  1. IShaperFeed 0x64 set
  1. IComp 0x78 set
  1. Vthreshold2 0xFF off




Table 1
Run NumberThreshold_ 1Tot Num Events Num Zero Event VFAT 0Ave VFAT 0 Num Zero Event VFAT 1Ave VFAT 1 Num Zero Event VFAT 2Ave VFAT 2 Num Zero Event VFAT 3Ave VFAT 3 Num Zero Event VFAT 4Ave VFAT 4 Num Zero Event VFAT 5Ave VFAT 5
11270xFF16368 163680.0 163680.0 163680.0 163680.0 163680.0 163680.0
11280xC01510 15100.0 15100.0 15100.0 15100.0 15100.0 15100.0
11310xB0971 9651.00 9710.0 9710.0 9710.0 9710.0 9710.0
11340xA8503 48030.30 5016.5 50128.5 5030.0 5030.0 5030.0
11320x90252 15864.17 16460.14 14725.40 13116.07 2520.0 24322.11
11240x801001 49072.80 42374.17 36053.23 50139.12 78411.76 38838.08
11300x701894 106490.82 90092.00 61959.80 100245.05 87899.79 98793.40
11290x601445 81890.10 77695.55 50758.15 51136.77 724102.19 75199.37
11250x401002 52191.18 55397.63 12845.15 4640.38 42273.38 31774.11
11230x1A1001 576105.19 521102.039 542.92 145.60 22459.59 7054.58



For Table 2 the Thresh_1 setting is individually dialed in:


Table 2
Run NumberTot Num Events Thresh_1 VFAT0Num Zero Event VFAT 0/%Ave VFAT 0 Thresh_1 VFAT1Num Zero Event VFAT 1/%Ave VFAT 1 Thresh_1 VFAT2Num Zero Event VFAT 2/%Ave VFAT 2 Thresh_1 VFAT3Num Zero Event VFAT 3/%Ave VFAT 3 Thresh_1 VFAT4Num Zero Event VFAT 4/%Ave VFAT 4 Thresh_1 VFAT5Num Zero Event VFAT 5/%Ave VFAT 5
113714668 0xA012514/.85321.32 0xA014510/.98922.15 0x9010484/.71519.05 0x9011056/.75315.29 0x787653/.52231.60 0x8810193/.69423.30
11382149 0x981658/.77236.02 0x981993/.92715.37 0x881041/.48452.15 0x88951/.44337.42 0x902146/.99912.00 0x902080/.96827.56


The following table, Table 3, shows the results of having turned Vthreshold_1 all the way up and flipping the MSPOLARITY bit to ON. I'm not sure what this means since I was expecting all "ones" this time considering what I had discovered about the front-end circuitry last week.


Table 3
Run NumberThreshold_ 1Tot Num Events Num Zero Event VFAT 0Ave VFAT 0 Num Zero Event VFAT 1Ave VFAT 1 Num Zero Event VFAT 2Ave VFAT 2 Num Zero Event VFAT 3Ave VFAT 3 Num Zero Event VFAT 4Ave VFAT 4 Num Zero Event VFAT 5Ave VFAT 5
11450xFF357 3570.0 3570.0 3570.0 3570.0 3570.0 3570.0