A high dynamic range readout unit for a calorimeter

ZHANG Yun-Long; LI Bing; FENG Chang-Qing; LI Xian-Li; WANG Xiao-Lian; XU Zi-Zong; GUO Jian-Hua; CAI Ming-Sheng; HU Yi-Ming; WU Jian; CHANG Jin

doi:10.1088/1674-1137/36/1/012

Chinese Physics C> 2012, Vol. 36> Issue(1) : 71-73 DOI: 10.1088/1674-1137/36/1/012

A high dynamic range readout unit for a calorimeter

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Abstract：
A high dynamic range readout system, consisting of a multi-dynode readout PMT and a VA32 chip, is presented. An LED system is set up to calibrate the relative gains between the dynodes, and the ADC counts per MIPs from dynode 7 are determined under cosmic-ray calibration. A dynamic range from 0.5 MIPs to 1×10⁵ MIPs is achieved.

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ZHANG Yun-Long, LI Bing, FENG Chang-Qing, LI Xian-Li, WANG Xiao-Lian, XU Zi-Zong, GUO Jian-Hua, CAI Ming-Sheng, HU Yi-Ming, WU Jian and CHANG Jin. A high dynamic range readout unit for a calorimeter[J]. Chinese Physics C, 2012, 36(1): 71-73. doi: 10.1088/1674-1137/36/1/012

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Received: 2011-04-14
Revised: 2011-05-06

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