front-end electronics calibration
DESCRIPTION
Front-end electronics Calibration. Pedestal - FADC 내부 함수 이용 : new run 시작전 항상 측정 mean 값만 측정 됨 - external trigger 이용 : trigger box 에서 random trigger 생성 주기적으로 수행 : mean 값과 rms 측정. 2. Timing calibration - 각 보드에 대한 T0 calibration : function generator 이용. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Front-end electronics Calibration](https://reader036.vdocuments.us/reader036/viewer/2022083004/56812bd4550346895d903d58/html5/thumbnails/1.jpg)
Front-end electronics Calibration
1. Pedestal
- FADC 내부 함수 이용 : new run 시작전 항상 측정 mean 값만 측정 됨
- external trigger 이용 : trigger box 에서 random trigger 생성 주기적으로 수행 : mean 값과 rms 측정
![Page 2: Front-end electronics Calibration](https://reader036.vdocuments.us/reader036/viewer/2022083004/56812bd4550346895d903d58/html5/thumbnails/2.jpg)
2. Timing calibration - 각 보드에 대한 T0 calibration : function generator 이용
FADC 1 FADC 2 FADC 3 FADC 4
a b c d
FADC 1 을 기준으로 하면 T2calib = T2 – ( b – a )T3calib = T3 – ( c – a )T4calib = T4 – ( d – a )…..
![Page 3: Front-end electronics Calibration](https://reader036.vdocuments.us/reader036/viewer/2022083004/56812bd4550346895d903d58/html5/thumbnails/3.jpg)
3. Charge calibration
Q gen
AFADC
Q gen
AFADC
![Page 4: Front-end electronics Calibration](https://reader036.vdocuments.us/reader036/viewer/2022083004/56812bd4550346895d903d58/html5/thumbnails/4.jpg)
4. Single photon measurement