A custom front-end ASIC for the readout and timing of 64 SiPM photosensors

被引：31

作者：

Bagliesi, M. G. ^{[1
]}

Avanzini, C. ^{[2
]}

Bigongiari, G. ^{[1
]}

Cecchi, R. ^{[1
]}

Kim, M. Y. ^{[1
]}

Maestro, P. ^{[1
]}

Marrocchesi, P. S. ^{[1
]}

Morsani, F. ^{[2
]}

机构：

[1] Univ Siena, Dept Phys, I-53100 Siena, Italy

[2] INFN Sez Pisa, I-56127 Pisa, Italy

来源：

NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2011年 / 215卷

关键词：

SILICON PHOTOMULTIPLIER; IRST;

D O I：

10.1016/j.nuclphysbps.2011.04.049

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

A new class of instruments based on Silicon PhotoMultiplier (SiPM) photosensors - are currently under development for the next generation of Astroparticle Physics experiments in future space missions. A custom front-end ASIC (Application Specific Integrated Circuit) for the readout of 64 SiPM sensors was specified in collaboration with CM-IDEAS (Norway) that designed and manufactured the ASIC. Our group developed a custom readout board equipped with a 16 bit ADC for the digitization of both pulse height and time information. A time stamp, generated by the ASIC in correspondence of the threshold crossing time, is digitized and recorded for each channel. This allows to define a narrow time window around the physics event that reduces significantly the background due to the SiPM dark count rate. In this paper, we report on the preliminary test results obtained with the readout board prototype.

引用

页码：344 / 348

页数：5

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