Highrate trigger design » History » Revision 3
Revision 2 (Jixie Zhang, 01/23/2023 10:49 AM) → Revision 3/4 (Jixie Zhang, 03/09/2023 01:31 PM)
h1. Highrate trigger design and initial threshold ==20230123 =20230123 threshold== Threshold is applied to the height of the waveform: TS1: CerSum(200mv or 410 adc unit) & ShowerSum(70mv or 143 adc unit); TS2: SC_D(20mv or 164 adc unit) & ShowerSum(70mv or 143 adc unit) & SC_B(15mv or 123 adc unit). 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); TS4: ShowerSum(100mv or 205 adc unit) TS5: SC_B(20mv or 164 adc unit). TS6: CerA#,CerB#,CerC#,CerD#(15mv or 31 adc unit) for each Cherenkov individual input Here is a link to the trigger design document: https://redmine.jlab.org/attachments/1733 ==20230220== TS1: CerSum(35mV or 72adc, 2pe) & ShowerSum(70mV or 143adc, 500MeV electron); TS2: SC_D(35mV or 287adc) & SC_B(35mV or 287adc); TS3: SC_D(35mV or 287adc) & SC_A(31mV or 254adc); TS4: ShowerSum(140mV or 287adc, 1GeV electron); or (70mV or 143adc, 500MeV electron); or (15mV or 31adc, half MIP); (120mV will keep 95% of 1-GeV electrons) TS5: N/A. TS6: CerA#,CerB#,CerC#,CerD#(5mV or 20 adc unit) for each Cherenkov individual input.