Difference between revisions of "Active Base Radiation Tests"

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=== Active Divider Radiation Test ===
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{| class="wikitable"
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|+ Measurements
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! Date !! Total Dose (kR) !! Divider current1 (uA) !! Pulse Amplitude1 (mV) !! Comment1 !! Divider current2 (uA) !! Pulse Amplitude2 (mV) !! Comment2
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| 2023/11/08 || 0 kR || 388.5 || 998 mV || Positive Voltage 4V, Negative Voltage -4V  (in contrast)[https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00249.png] || 388.5 || 998 mV || Positive Voltage 4V, Negative Voltage -4V  (in contrast)[https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00249.png]
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| 2023/11/08 || 3.2 kR || 386.5 || 951 mV ||  || 386.5 || 937 mV ||
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| 2023/11/09 || 7 kR || 384.5 || 923 mV ||  || 384.0 || 898 mV ||
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| 2023/11/10 || 10.22 kR || 382.5 || 877 mV ||  || 382.5 || 860 mV ||
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| 2023/11/13 || 12.4 kR || 381.5 || 858 mV ||  || 380.5 || 845 mV ||
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| 2023/11/14 || 15.6 kR || 379.5 || 825 mV ||  || 378.0 || 787 mV ||
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| 2023/11/15 || 19 kR || 377.5 || 142 mV || Positive Voltage 4.2V, Negative Voltage -1.7V [https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00281.png]|| 376.5 || 1064 mV ||  Positive Voltage -0.7V, Negative Voltage -3.4V, weird tail in waveform[https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00282.png]
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|  ||  || 378.5 || 808 mV || Regulator removed [https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00283.png]|| 377.0 || 765 mV || Regulator removed [https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00284.png]
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| 2023/11/16 || 22.3 kR || 376.5 || 771 mV ||  Waveform [https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00295.png]|| 375.0 || 740 mV ||  Waveform[https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00294.png]
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| 2023/11/17 || 26.2 kR || 375.0 || 744 mV ||  Waveform [https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00338.png]|| 373.0 || 718 mV ||  Waveform[https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00337.png]
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| 2023/11/20 || 28.4 kR || 375.0 || 748 mV ||  Waveform [https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00344.png]|| 373.0 || 712 mV ||  Waveform[https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00343.png]
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| 2023/11/21 || 31.9 kR || 373.5 || 727 mV ||  Waveform [https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00377.png]|| 371.0 || 686 mV ||  Waveform[https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00376.png]
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| 2023/11/22 || 35.25 kR || 372.5 || 715 mV ||  Waveform [https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00379.png]|| 370.5 || 682 mV ||  Waveform[https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00378.png]
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| 2023/11/29 || 38.66 kR || 372.5 || 708 mV ||  Waveform [https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00420.png]|| 370.5 || 668 mV ||  Waveform[https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00421.png]
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| 2023/11/30 || 42.1 kR || 371.0 || 682 mV ||  Waveform [https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00430.png]|| 369.0 || 643 mV ||  Waveform[https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00431.png]
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| 2023/12/01 || 45.5 kR || 370.5 || 672 mV ||  Waveform [https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00439.png]|| 368.0 || 623 mV ||  Waveform[https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00440.png]
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| 2023/12/08 || 49 kR || 370.0 || 669 mV ||  Waveform [https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00441.png]|| 367.5 || 634 mV ||  Waveform[https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test/tek00442.png]
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[https://halldweb.jlab.org/detectors/fcal2/dividers/rad_tests/radcon_active_base.pdf Spreadsheet from RadCon ]
 
[https://halldweb.jlab.org/detectors/fcal2/dividers/rad_tests/radcon_active_base.pdf Spreadsheet from RadCon ]

Revision as of 10:28, 20 December 2023

Active Divider Radiation Test

Measurements
Date Total Dose (kR) Divider current1 (uA) Pulse Amplitude1 (mV) Comment1 Divider current2 (uA) Pulse Amplitude2 (mV) Comment2
2023/11/08 0 kR 388.5 998 mV Positive Voltage 4V, Negative Voltage -4V (in contrast)[1] 388.5 998 mV Positive Voltage 4V, Negative Voltage -4V (in contrast)[2]
2023/11/08 3.2 kR 386.5 951 mV 386.5 937 mV
2023/11/09 7 kR 384.5 923 mV 384.0 898 mV
2023/11/10 10.22 kR 382.5 877 mV 382.5 860 mV
2023/11/13 12.4 kR 381.5 858 mV 380.5 845 mV
2023/11/14 15.6 kR 379.5 825 mV 378.0 787 mV
2023/11/15 19 kR 377.5 142 mV Positive Voltage 4.2V, Negative Voltage -1.7V [3] 376.5 1064 mV Positive Voltage -0.7V, Negative Voltage -3.4V, weird tail in waveform[4]
378.5 808 mV Regulator removed [5] 377.0 765 mV Regulator removed [6]
2023/11/16 22.3 kR 376.5 771 mV Waveform [7] 375.0 740 mV Waveform[8]
2023/11/17 26.2 kR 375.0 744 mV Waveform [9] 373.0 718 mV Waveform[10]
2023/11/20 28.4 kR 375.0 748 mV Waveform [11] 373.0 712 mV Waveform[12]
2023/11/21 31.9 kR 373.5 727 mV Waveform [13] 371.0 686 mV Waveform[14]
2023/11/22 35.25 kR 372.5 715 mV Waveform [15] 370.5 682 mV Waveform[16]
2023/11/29 38.66 kR 372.5 708 mV Waveform [17] 370.5 668 mV Waveform[18]
2023/11/30 42.1 kR 371.0 682 mV Waveform [19] 369.0 643 mV Waveform[20]
2023/12/01 45.5 kR 370.5 672 mV Waveform [21] 368.0 623 mV Waveform[22]
2023/12/08 49 kR 370.0 669 mV Waveform [23] 367.5 634 mV Waveform[24]


Active Divider Radiation Test

Measurements
Date Total Dose (kR) Divider current1 (uA) Pulse Amplitude1 (mV) Comment1 Divider current2 (uA) Pulse Amplitude2 (mV) Comment2
2023/11/08 0 kR 388.5 998 mV Positive Voltage 4V, Negative Voltage -4V (in contrast)[25] 388.5 998 mV Positive Voltage 4V, Negative Voltage -4V (in contrast)[26]
2023/11/08 3.2 kR 386.5 951 mV 386.5 937 mV
2023/11/09 7 kR 384.5 923 mV 384.0 898 mV
2023/11/10 10.22 kR 382.5 877 mV 382.5 860 mV
2023/11/13 12.4 kR 381.5 858 mV 380.5 845 mV
2023/11/14 15.6 kR 379.5 825 mV 378.0 787 mV
2023/11/15 19 kR 377.5 142 mV Positive Voltage 4.2V, Negative Voltage -1.7V [27] 376.5 1064 mV Positive Voltage -0.7V, Negative Voltage -3.4V, weird tail in waveform[28]
378.5 808 mV Regulator removed [29] 377.0 765 mV Regulator removed [30]
2023/11/16 22.3 kR 376.5 771 mV Waveform [31] 375.0 740 mV Waveform[32]
2023/11/17 26.2 kR 375.0 744 mV Waveform [33] 373.0 718 mV Waveform[34]
2023/11/20 28.4 kR 375.0 748 mV Waveform [35] 373.0 712 mV Waveform[36]
2023/11/21 31.9 kR 373.5 727 mV Waveform [37] 371.0 686 mV Waveform[38]
2023/11/22 35.25 kR 372.5 715 mV Waveform [39] 370.5 682 mV Waveform[40]
2023/11/29 38.66 kR 372.5 708 mV Waveform [41] 370.5 668 mV Waveform[42]
2023/11/30 42.1 kR 371.0 682 mV Waveform [43] 369.0 643 mV Waveform[44]
2023/12/01 45.5 kR 370.5 672 mV Waveform [45] 368.0 623 mV Waveform[46]
2023/12/08 49 kR 370.0 669 mV Waveform [47] 367.5 634 mV Waveform[48]





Spreadsheet from RadCon

  • Fig. 1 Location of active base voltage regulators (two black chips on the top of the PCB) exposed to radiation (left PCB). PCB with the removed regulators (right PCB)

  • Fig. 2 Location of active base operational amplifiers

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