AIDA GELINA BRIKEN nToF CRIB ISOLDE CIRCE nTOFCapture DESPEC DTAS EDI_PSA 179Ta CARME StellarModelling DCF K40
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Message ID: 154     Entry time: Thu Feb 18 10:23:48 2016
Author: TD 
Subject: Thursday 18 February 
MSL type BB18(DS)-1000 serial 2998-22
Bias +200V, I_L +=6.200uA, ambient temperature +20.1 deg C
 
DSSSD - AIDA adaptor PCB cabling
 
4 off LH Coupler (Kapton PCB, 5cm), 2x 34-way Samtec ribbon cable (45cm), RH coupler(Kapton PCB, 10cm)
 + 3M 1245 1.4mil copper foil screen ribbon cables + RH coupler only (i.e. not LH coupler)
 + drain wires -> gold-plated Lemo-00 test input connectors 
 
nnaida 11 & 12 AIDA adaptor PCB rev B
nnaida 13 & 14 AIDA adaptor PCB rev C (LK1 fitted) 
ground links LK3 & LK7 fitted to nnaida11-14 AIDA adaptor PCBs

Heavy duty copper cable connects copper front end frames of FEE modules
Nitto 5011N conductive gasket between FEE module and front end frames
 
Standard ASIC settings
 nnaida 11 & 12 - negative input
 nnaida 13 & 14 - positive input
 
Pulser BNC PB-5 
Fall time 1.0ms
Rate 100Hz
Delay 250ns
Ampl 5.00000V
Polarity +
Pulse top Tail
Atten 10x
Clamp ON
- polarity via Cooknell SA1 Summing Amplifier
 
207Bi source, approx centred on DSSSD, approx 3cm from DSSSD
  
File R30
shaping time 8uS
slow comparator 6 (dec)
start: 10.21 stop: 15.09
spectra saved to disk 16.10 BST (sic)
Pulser OFF

see attachments 1-4 (stat & rate hit patterns)

File R33
shaping time 8uS
slow comparator 5 (dec)
start: 16.03 stop: 17.44
spectra saved to disk 18.45 BST (sic)
Pulser OFF

Connect DSSSD-AIDA adaptor PCB screened cabling drain wires to adaptor PCB
mounting holes and secure with M3 socket bolts. With introduction of conductive
gasket should be equivalent to previous grounding via crocodile clips and gold-plated
Lemo-00 test input connectors.
 
18.19 Bias +200V, I_L +=6.760uA, ambient temperature +20.2 deg C

File R34
shaping time 8uS
slow comparator 8 (dec)
start: 18.34 stop: 10.19 19.2.16
spectra saved to disk 11.20 BST (sic)
Pulser OFF

see attachments 5-8

Attachments 9 & 10

DSSSD energy (~10keV/ch) versus DSSSD strip # 
Note some eveidence for non-linearity at low amplitude for p+n strips (128-255) cf. n+n strips
(0-127)

Projection of above showing energy spectrum for one strip. Can observe 478 and 975keV K-lines
and prominent Landau peak near threshold. Threshold estimated at ~80-100keV (slow comparator 0x8).

m(p+n strips) = m(n+n strips) = 1, E(p+n strip)-E(n+n strip) = +/- 100keV

Enegy spectra ADC offset correct, no relative gain adjustment

Attachments 11, 12

Energy (p+n strip) versus E(n+n strip) 
~10keV/channel, m(p+n strips) = m(n+n strips) = 1, with & without equal energy gate

Attachments 13, 14 & 15

Raw hit pattern, m(n+n strips) and m(p+n strips)  

Attachment 16 - gzip'd tar file of sorted R34 spectra (see attachments 17 & 18)

Attachment 17 - FORTRAN user subroutine

Attachment 18 - ADC offset variables used by FORTRAN user subroutine

Attachment 19 - ADC offsets
Attachment 1: 46.png  4.947 MB  | Hide | Hide all | Show all
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Attachment 16: R34.tar.gz  460 kB  Uploaded Thu Feb 25 11:58:08 2016
Attachment 17: sort3.f  12 kB  Uploaded Thu Feb 25 11:58:20 2016  | Show | Hide all | Show all
Attachment 18: variables.dat  6 kB  Uploaded Thu Feb 25 11:58:30 2016  | Hide | Hide all | Show all
  $variables
  offset( 640) =  -324.70
  offset( 641) =   116.44
  offset( 642) =   -52.89
  offset( 643) =   239.19
  offset( 644) =  -179.34
  offset( 645) =  -214.60
  offset( 646) =  -273.25
  offset( 647) =   -54.15
  offset( 648) =  -139.30
  offset( 649) =  -221.44
  offset( 650) =  -105.96
  offset( 651) =  -222.43
  offset( 652) =  -228.69
  offset( 653) =   -99.25
  offset( 654) =   -47.56
  offset( 655) =     7.01
  offset( 656) =  -255.89
  offset( 657) =    22.87
  offset( 658) =   -10.75
  offset( 659) =   -88.16
  offset( 660) =   -85.10
  offset( 661) =  -102.78
  offset( 662) =   -43.66
  offset( 663) =    35.57
  offset( 664) =  -228.39
  offset( 665) =   -79.48
  offset( 666) =  -327.16
  offset( 667) =   -48.04
  offset( 668) =  -257.81
  offset( 669) =   -54.20
  offset( 670) =  -371.83
  offset( 671) =  -156.57
  offset( 672) =   137.47
  offset( 673) =   -47.14
  offset( 674) =     7.28
  offset( 675) =   -21.52
  offset( 676) =   213.28
  offset( 677) =   141.05
  offset( 678) =    28.54
  offset( 679) =  -162.82
  offset( 680) =    61.59
  offset( 681) =    25.10
  offset( 682) =   -94.58
  offset( 683) =    48.66
  offset( 684) =  -312.58
  offset( 685) =   170.48
  offset( 686) =   147.02
  offset( 687) =    65.78
  offset( 688) =  -432.26
  offset( 689) =   -69.82
  offset( 690) =  -252.62
  offset( 691) =  -112.68
  offset( 692) =   -54.47
  offset( 693) =  -429.95
  offset( 694) =  -514.05
  offset( 695) =  -229.44
  offset( 696) =   -51.46
  offset( 697) =  -107.57
  offset( 698) =    31.16
  offset( 699) =    11.12
  offset( 700) =  -385.58
  offset( 701) =    11.55
  offset( 702) =   -59.90
  offset( 703) =   -99.48
  offset( 704) =  -238.17
  offset( 705) =   -43.76
  offset( 706) =   -71.45
  offset( 707) =  -133.58
  offset( 708) =   -63.52
  offset( 709) =   -69.86
  offset( 710) =   -96.33
  offset( 711) =   -90.84
  offset( 712) =  -264.85
  offset( 713) =  -100.49
  offset( 714) =  -153.65
  offset( 715) =  -117.52
  offset( 716) =   -20.95
  offset( 717) =  -405.66
  offset( 718) =    10.60
  offset( 719) =  -218.37
  offset( 720) =   122.33
  offset( 721) =  -151.30
  offset( 722) =    88.38
  offset( 723) =    90.67
  offset( 724) =  -270.47
  offset( 725) =   120.20
  offset( 726) =    54.96
  offset( 727) =     5.10
  offset( 728) =  -126.70
  offset( 729) =   181.00
  offset( 730) =  -189.61
  offset( 731) =  -105.97
  offset( 732) =    54.01
  offset( 733) =  -225.33
  offset( 734) =  -149.47
  offset( 735) =  -325.66
  offset( 736) =  -154.79
  offset( 737) =   -78.13
  offset( 738) =  -191.67
  offset( 739) =    73.14
  offset( 740) =    34.49
  offset( 741) =   181.23
  offset( 742) =   -70.59
  offset( 743) =     3.56
  offset( 744) =   -85.35
  offset( 745) =    30.44
  offset( 746) =    58.50
  offset( 747) =   -78.20
  offset( 748) =   -48.01
  offset( 749) =  -269.68
  offset( 750) =   149.15
  offset( 751) =   -54.89
  offset( 752) =  -102.64
  offset( 753) =  1358.05
  offset( 754) =  -122.29
  offset( 755) =    70.63
  offset( 756) =  -191.32
  offset( 757) =   254.05
  offset( 758) =   -70.61
  offset( 759) =    51.46
  offset( 760) =   -42.33
  offset( 761) =   197.80
  offset( 762) =   142.39
  offset( 763) =    42.66
  offset( 764) =    19.83
  offset( 765) =    81.06
  offset( 766) =   326.60
  offset( 767) =    70.02
  offset( 768) =   -76.55
  offset( 769) =   -19.40
  offset( 770) =    16.08
  offset( 771) =    53.37
  offset( 772) =   296.26
  offset( 773) =   -98.32
  offset( 774) =   -77.13
  offset( 775) =   -35.25
  offset( 776) =  -183.71
  offset( 777) =   116.35
  offset( 778) =  -188.57
  offset( 779) =   123.91
  offset( 780) =    52.92
  offset( 781) =   -28.89
  offset( 782) =   184.69
  offset( 783) =  -314.93
  offset( 784) =   143.72
  offset( 785) =    46.23
  offset( 786) =    76.84
  offset( 787) =   -95.28
  offset( 788) = 0.0
  offset( 789) =    20.36
  offset( 790) =  -178.84
  offset( 791) = 0.0
  offset( 792) =    96.07
  offset( 793) = 0.0
  offset( 794) =  -157.88
  offset( 795) =   110.26
  offset( 796) =  -108.33
  offset( 797) = 0.0
  offset( 798) =   198.40
  offset( 799) = 0.0
  offset( 800) =  -103.44
  offset( 801) =   179.85
  offset( 802) =   224.49
  offset( 803) =     0.81
  offset( 804) =    20.70
  offset( 805) =  -176.96
  offset( 806) =     4.35
  offset( 807) =   299.93
  offset( 808) =   -11.93
  offset( 809) =   134.80
  offset( 810) =   156.26
  offset( 811) =  -188.12
  offset( 812) =   -83.05
  offset( 813) =   -22.65
  offset( 814) =    12.16
  offset( 815) =   115.49
  offset( 816) =  -104.78
  offset( 817) =   -61.85
  offset( 818) =   129.69
  offset( 819) =   -49.29
  offset( 820) =   199.74
  offset( 821) =    84.74
  offset( 822) = 0.0
  offset( 823) = 0.0
  offset( 824) = 0.0
  offset( 825) =   -33.53
  offset( 826) =  -123.13
  offset( 827) =   -33.29
  offset( 828) =   -41.23
  offset( 829) =    87.57
  offset( 830) =    50.69
  offset( 831) =  -249.95
  offset( 832) =  -180.57
  offset( 833) =   -35.49
  offset( 834) =  -210.77
  offset( 835) =   168.13
  offset( 836) =    23.98
  offset( 837) =   -62.85
  offset( 838) =   -82.37
  offset( 839) =   -97.96
  offset( 840) =   -95.57
  offset( 841) =    82.51
  offset( 842) =    52.44
  offset( 843) =   -62.12
  offset( 844) =   -41.95
  offset( 845) =  -105.85
  offset( 846) =   -49.04
  offset( 847) =    80.05
  offset( 848) =    70.55
  offset( 849) =  -193.35
  offset( 850) =   116.37
  offset( 851) =     9.83
  offset( 852) =  -114.95
  offset( 853) =    85.75
  offset( 854) =   -60.54
  offset( 855) =   109.57
  offset( 856) =    -7.82
  offset( 857) =   -95.34
  offset( 858) =   160.58
  offset( 859) =   -19.28
  offset( 860) =  -181.96
  offset( 861) =   105.15
  offset( 862) =  -114.20
  offset( 863) =   176.30
  offset( 864) =  -158.44
  offset( 865) =   184.03
  offset( 866) =  -244.72
  offset( 867) =  -133.62
  offset( 868) =   -52.67
  offset( 869) =   -77.29
  offset( 870) =   201.87
  offset( 871) =  -299.22
  offset( 872) =   311.58
  offset( 873) =    55.84
  offset( 874) =   102.71
  offset( 875) =   -50.05
  offset( 876) =   -51.62
  offset( 877) =    -1.92
  offset( 878) =  -123.53
  offset( 879) =   -32.31
  offset( 880) =  -115.73
  offset( 881) =   318.57
  offset( 882) =   172.55
  offset( 883) =   121.38
  offset( 884) =   -18.12
  offset( 885) =    67.45
  offset( 886) =    35.56
  offset( 887) =  -112.04
  offset( 888) =  -121.88
  offset( 889) =   145.22
  offset( 890) =   -29.75
  offset( 891) =    87.74
  offset( 892) =   144.21
  offset( 893) =  -190.33
  offset( 894) =    76.40
  offset( 895) =   194.07
  $[end]
Attachment 19: offsets.dat  17 kB  Uploaded Thu Feb 25 12:07:41 2016  | Show | Hide all | Show all
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