Characterization and performance of the ASIC (CITIROC) front-end of the ASTRI camera
arXiv:1506.00264 · doi:10.1016/j.nima.2015.05.028
Abstract
The Cherenkov Imaging Telescope Integrated Read Out Chip, CITIROC, is a chip adopted as the front-end of the camera at the focal plane of the imaging Cherenkov ASTRI dual-mirror small size telescope (ASTRI SST-2M) prototype. This paper presents the results of the measurements performed to characterize CITIROC tailored for the ASTRI SST-2M focal plane requirements. In particular, we investigated the trigger linearity and efficiency, as a function of the pulse amplitude. Moreover, we tested its response by performing a set of measurements using a silicon photomultiplier (SiPM) in dark conditions and under light pulse illumination. The CITIROC output signal is found to vary linearly as a function of the input pulse amplitude. Our results show that it is suitable for the ASTRI SST-2M camera.
arXiv comment25 pages, 16 figures, 1 table
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- A Compton polarimeter using scintillators read out with MPPCs through Citiroc ASIC
- Use of the Peak-Detector mode for gain calibration of SiPM sensors with ASIC CITIROC read-out
- Performance tests and hardware qualification of the FEBs for the Super-FGD of T2K Phase II