SCOTT: A time and amplitude digitizer ASIC for PMT signal processing

被引：5

作者：

Ferry, S. ^{[1
]}

Guilloux, F. ^{[2
]}

Anvar, S. ^{[2
]}

Chateau, F. ^{[2
]}

Delagnes, E. ^{[2
]}

Gautard, V. ^{[2
]}

Louis, F. ^{[2
]}

Monmarthe, E. ^{[2
]}

Le Provost, H. ^{[2
]}

Russo, S. ^{[3
]}

Schuller, J-P. ^{[1
]}

Stolarczyk, Th. ^{[1
]}

Vallage, B. ^{[1
]}

Zonca, E. ^{[2
]}

机构：

[1] CEA, Irfu, SPP, Gif Sur Yvette, France

[2] CEA, Irfu, SEDI, Gif Sur Yvette, France

[3] Univ Naples Federico II, Dipartimento Sci Fis, Naples, Italy

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2013年 / 725卷

关键词：

Neutrino detection; KM3NeT; PMT; PMT signal processing; Time-over-threshold; ASIC;

D O I：

10.1016/j.nima.2012.11.164

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

SCOTT is an ASIC designed for the readout electronics of photomultiplier tubes developed for KM3NeT, the cubic-kilometer scale neutrino telescope in Mediterranean Sea. To digitize the PMT signals, the multi-time-over-threshold technique is used with up to 16 adjustable thresholds. Digital outputs of discriminators feed a circular sampling memory and a "first in first out" digital memory. A specific study has shown that five specifically chosen thresholds are suited to reach the required timing accuracy. A dedicated method based on the duration of the signal over a given threshold allows an equivalent timing precision at any charge. To verify that the KM3NeT requirements are fulfilled, this method is applied on PMT signals digitized by SCOTT. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：175 / 178

页数：4

共 6 条

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