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	带增益的气体放大器读出ASIC设计
	邓智 ; 刘以农 ; Deng Zhi ; Liu Yinong
	2010-07-15 ; 2010-07-15
会议名称	第十四届全国核电子学与核探测技术学术年会 ; CNKI
关键词	ASIC 气体探测器 GEM RPC ASIC Gas Detectors GEM RPC TL821
其他题名	Design of a Readout ASIC for Gas Detectors with Self-Amplification
中文摘要	本文设计了用于带增益的气体探测器比如GEM、RPC等读出的ASIC,实现对探测器信号的放大、成形和对后续实时采样ADC的驱动电路。电荷增益和成形时间可调,有利于探测器不同增益下性能的研究,也扩展了芯片的应用范围。由于成形电路引入的噪声变得显著,在低电荷增益下,ENC会随增益下降而增加。芯片采用Chartered 0.35 m2P4M CMOS工艺,本文将介绍芯片的详细设计和仿真结果。; A readout ASIC has been designed for gas detectors with self-amplification such as GEM and RPC.It provides amplification and shaping of the detector signals and buffers them to the free running ADCs.The charge gain and the shaping time can be adjusted.The programmability of gain and shaping time is very convenient for studying detector performance under different gas gain and also expands the application range of the chip.The ENC increases as charge gain decreases below 10mV/fC because the noise from the shaper becomes significant.The chip is designed in Chartered 0.35μm 2P4M CMOS process.Detailed design and simulation results are described in this paper.
语种	中文 ; 中文
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/66671]
专题	清华大学
推荐引用方式 GB/T 7714	邓智,刘以农,Deng Zhi,等. 带增益的气体放大器读出ASIC设计[C]. 见:第十四届全国核电子学与核探测技术学术年会, CNKI.

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