Characterization of a new charge sensitive preamplifier (CSP) for the electromagnetic calorimeters of the ALICE experiment
Characterization of a new charge sensitive preamplifier (CSP) for the electromagnetic calorimeters of the ALICE experiment
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DOI：
10.1016/j.nima.2012.05.094
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发表时间：
2012-09
影响因子：
1.4
通讯作者：
Yaping Wang;H. Muller;Xu Cai;D. Zhou;T. Awes;Z. Yin
中科院分区：
文献类型：
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作者：
Yaping Wang;H. Muller;Xu Cai;D. Zhou;T. Awes;Z. Yin
ALICE量热计PHOS和EMCal（包括其扩展DCal）基于雪崩光电二极管（APD）光传感器，带有电荷敏感前置放大器（csp），用于读出闪烁元件。在PHOS CSP设计的基础上开发了一种新的CSP，但进行了修改以满足EMCal和DCal的要求。针对不同特性的APD选择进行了专门的修改，并以更低的噪声、更快的上升时间和更低的成本为目标。本文详细介绍了新型CSP的特点和试验结果。
The ALICE calorimeters PHOS and EMCal (including its extension DCal) are based on Avalanche Photo-Diode (APD) photosensors with Charge Sensitive Preamplifiers (CSPs) for readout of the scintillating elements. A new CSP has been developed on the basis of the design of the PHOS CSP, but modified to meet the requirements of the EMCal and DCal. Modifications were made specifically for a different APD choice with different characteristics, and also with the goals of less noise, faster rise time, and reduced cost. This paper presents a detailed description of the new CSP features and the test results.