The sixteen channel CAMAC constant fraction discriminator for APEX
Conference
·
OSTI ID:10134461
- Lawrence Berkeley Lab., CA (United States)
- National Superconducting Cyclotron Lab., East Lansing, MI (United States)
- Rochester Univ., NY (United States). Nuclear Structure Research Lab.
We report on the construction and the performance of a sixteen channel constant fraction discriminator (CFD) for the Atlas Positron Experiment (APEX). We have used an integrated circuit (IC), recently introduced commercially, which contains all the electronic building blocks needed to construct a CFD. We have placed 16 channels of CFD into a CAMAC module. An important feature is the time to charge converter (TQC) that we have included for every CFD channel. Its calibration constant is controlled via CAMAC. The TQC allows the use charge sensitive analog to digital converters (QDC) for timing measurements. Results for CFD walk, resolution and crosstalk as well as for TQC linearity will be presented.
- Research Organization:
- Lawrence Berkeley Lab., CA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 10134461
- Report Number(s):
- LBL-31450; CONF-911106-90; ON: DE92010550
- Resource Relation:
- Conference: 1991 Institute of Electrical and Electronic Engineers (IEEE) nuclear science symposium and medical imaging conference,Santa Fe, NM (United States),2-9 Nov 1991; Other Information: PBD: Nov 1991
- Country of Publication:
- United States
- Language:
- English
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·
OSTI ID:10134461