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Alternative TitleDesign of High-speed Readout Circuit for Far Ultraviolet Photon-counting Imaging Detector
刘晓红; 王咏梅; 王永松
Source Publication空间科学学报
Keyword远紫外 单光子成像 楔条形阳极 计数率
Abstract远紫外光子计数成像探测技术通过探测微弱的单光子信息,记录每个单光子位置,在一定时间累积之后达到总体成像的目的.单光子的计数率限制着信息的获取,在分析影响计数率因素的基础上,需要设计前端模拟电路对探测器信号进行放大和整形,具体实现采用A225芯片作为前置放大器,并设计相应的整形电路.仿真和实验结果表明,电路设计合理,计数率可达到200 kHz.
Other AbstractThe technology of far ultraviolet photon-counting imaging detection is to record each single photon position and achieve the purpose of general imaging by detecting weak single photon information. The counting rate limits the information acquisition. On the basis of analyzing factors affecting the counting rate, the front-end analog circuit is needed for the amplification and shaping of the detector signals. Eventually, A225 chip was chosen as the pre-amplifier and shaping circuit was designed in the analog front-end circuit. Corresponding simulation and experimental results show that the circuit design is reasonable, and the counting rate can reach 200 kHz.
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Document Type期刊论文
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GB/T 7714
刘晓红,王咏梅,王永松. 高速远紫外光子计数成像读出电路设计[J]. 空间科学学报,2015,35(1):110-115.
APA 刘晓红,王咏梅,&王永松.(2015).高速远紫外光子计数成像读出电路设计.空间科学学报,35(1),110-115.
MLA 刘晓红,et al."高速远紫外光子计数成像读出电路设计".空间科学学报 35.1(2015):110-115.
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