Highrate trigger design » History » Version 4
Jixie Zhang, 03/09/2023 01:33 PM
| 1 | 1 | Jixie Zhang | h1. Highrate trigger design and initial threshold |
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| 3 | 3 | Jixie Zhang | ==20230123 threshold== |
| 4 | 1 | Jixie Zhang | Threshold is applied to the height of the waveform: |
| 5 | TS1: CerSum(200mv or 410 adc unit) & ShowerSum(70mv or 143 adc unit); |
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| 6 | TS2: SC_D(20mv or 164 adc unit) & ShowerSum(70mv or 143 adc unit) & SC_B(15mv or 123 adc unit). |
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| 7 | TS3: 2 out of these 3 inputs: CerSum(200mv or 410 adc unit), ShowerSum(50mv or 103 adc unit), SC_D(20mv or 164 adc unit); |
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| 8 | TS4: ShowerSum(100mv or 205 adc unit) |
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| 9 | TS5: SC_B(20mv or 164 adc unit). |
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| 10 | 2 | Jixie Zhang | TS6: CerA#,CerB#,CerC#,CerD#(15mv or 31 adc unit) for each Cherenkov individual input |
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| 12 | 1 | Jixie Zhang | Here is a link to the trigger design document: https://redmine.jlab.org/attachments/1733 |
| 13 | 3 | Jixie Zhang | |
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| 15 | ==20230220== |
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| 16 | TS1: CerSum(35mV or 72adc, 2pe) & ShowerSum(70mV or 143adc, 500MeV electron); |
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| 17 | TS2: SC_D(35mV or 287adc) & SC_B(35mV or 287adc); |
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| 18 | TS3: SC_D(35mV or 287adc) & SC_A(31mV or 254adc); |
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| 19 | TS4: ShowerSum(140mV or 287adc, 1GeV electron); |
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| 20 | or (70mV or 143adc, 500MeV electron); |
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| 21 | or (15mV or 31adc, half MIP); |
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| 22 | (120mV will keep 95% of 1-GeV electrons) |
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| 23 | TS5: N/A. |
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| 24 | TS6: CerA#,CerB#,CerC#,CerD#(5mV or 20 adc unit) for each Cherenkov individual input. |
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| 25 | 4 | Jixie Zhang | |
| 26 | Here is a link to the trigger design document: https://redmine.jlab.org/attachments/1778 |