Development of a dedicated front-end electronics for straw tube trackers in the P̄ANDA experiment
Development of a dedicated front-end electronics for straw tube trackers in the P̄ANDA experiment
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P̄ANDA 实验中为吸管追踪器开发专用前端电子设备
DOI：
10.1088/1748-0221/11/08/p08009
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发表时间：
2016
影响因子：
1.3
通讯作者：
J. Tokarz
中科院分区：
文献类型：
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作者：
D. Przyborowski;T. Fiutowski;M. Idzik;M. Kajetanowicz;G. Korcyl;P. Salabura;J. Smyrski;P. Strzempek;K. Swientek;P. Terlecki;J. Tokarz
本文介绍了FAIR实验室的PRANDA实验中吸管跟踪器前端电子学的设计和测试。讨论了前端电子器件的挑战，包括在高达1 MHz的高计数率下的操作，并描述了所提出的架构，包括开关增益电荷敏感型双极晶体管（CSP）、极零消除电路（PZC）、二阶可变峰化时间整形器、微调离子尾消除电路和基线保持器（BLH）。前端提供模拟输出和带LVDS差分驱动器的ADC，用于测量到达时间（ToA）和阈值时间（ToT）。采用0.35 μ mCMOS工艺制作了一个四通道读出ASIC原型，每通道功耗分别为15.5mW（模拟部分）和12 mW（LVDS部分）。峰值时间（25-67 ns）、增益、噪声（ENC 800-2500 el.对于不同的增益），时间游走和抖动，以及与原型吸管连接获得的第一个结果。
The design and tests of front-end electronics for straw tube trackers in the P̄ANDA experiment at FAIR are presented. The challenges for the front-end electronics, comprising operation at high counting rate up to 1 MHz per straw tube, are discussed and the proposed architecture comprising a switched gain charge sensitive preamplifier (CSP), a pole-zero cancellation circuit (PZC), a second order variable peaking time shaper, a trimming ion tail cancellation circuit, and a baseline holder (BLH), is described. The front-end provides an analogue output and a discriminator with LVDS differential driver for the Time-of-Arrival (ToA) and Time-over-Threshold (ToT) measurements. A prototype readout ASIC featuring four channels was fabricated in 0.35 μm CMOS technology consuming 15.5 mW (analog part) and 12 mW (LVDS) per channel. The results of measurements of peaking time (25–67 ns), gain, noise (ENC 800–2500 el. for various gains), time walk and jitter are presented as well as the first results obtained with prototype straw tubes connected.
孟加拉国发展研究所（孟加拉国）
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