用于空间切伦科夫辐射探测的可配置 64 通道 ASIC

Q3 Physics and Astronomy Instruments Pub Date : 2023-12-07 DOI:10.3390/instruments7040050
A. Di Salvo, S. Garbolino, M. Mignone, S. Zugravel, Angelo Rivetti, M. Bertaina, Pietro Antonio Palmieri
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引用次数: 0

摘要

这项工作提出了一种64通道专用集成电路(ASIC)的开发,用于从亚轨道和轨道高度检测光学切伦科夫光。这类信号是由超高能量宇宙射线(uhecr)和宇宙中微子(CNs)产生的。该前端电子器件的目的是为硅光倍增器(sipm)矩阵提供读出单元,以识别广泛的空气阵雨(EASs)。每个事件都可以存储到一个可配置的256个单元阵列中,在这个阵列中,机载数字化可以通过可编程的12位威尔金森模数转换器(ADC)进行。ASIC的采样、转换过程和主数字逻辑运行在200mhz,而读出由专用串行器以双倍数据速率(DDR)在400mhz工作。该芯片采用商用65nm CMOS技术设计,通过选择通道的划分、8-12位的分辨率及其触发源,确保了高可配置性。ASIC的生产和测试计划在未来几个月内进行。
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A Configurable 64-Channel ASIC for Cherenkov Radiation Detection from Space
This work presents the development of a 64-channel application-specific integrated circuit (ASIC), implemented to detect the optical Cherenkov light from sub-orbital and orbital altitudes. These kinds of signals are generated by ultra-high energy cosmic rays (UHECRs) and cosmic neutrinos (CNs). The purpose of this front-end electronics is to provide a readout unit for a matrix of silicon photo-multipliers (SiPMs) to identify extensive air showers (EASs). Each event can be stored into a configurable array of 256 cells where the on-board digitization can take place with a programmable 12-bits Wilkinson analog-to-digital converter (ADC). The sampling, the conversion process, and the main digital logic of the ASIC run at 200 MHz, while the readout is managed by dedicated serializers operating at 400 MHz in double data rate (DDR). The chip is designed in a commercial 65 nm CMOS technology, ensuring a high configurability by selecting the partition of the channels, the resolution in the interval 8–12 bits, and the source of its trigger. The production and testing of the ASIC is planned for the forthcoming months.
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来源期刊
Instruments
Instruments Physics and Astronomy-Instrumentation
CiteScore
2.60
自引率
0.00%
发文量
70
审稿时长
11 weeks
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