A low noise charge sensitive preamplifier with switch control feedback resistance  

作　　者：WEMBE TAFO Evariste SU Hong PENG Yu WU Ming QIAN Yi 

机构地区：[1]Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China [2]Department of Physics, University of Douala, Cameroon

出　　处：《Nuclear Science and Techniques》2008年第1期39-44,共6页核技术（英文）

基　　金：Supported in part by the Third World Academy of Sciences, in part by the Institute of Modern Physics, Chinese Academy of Sciences;in part by the National Natural Science Foundation of China (10675153)

摘　　要：In this paper, the design and analysis of a new low noise charge sensitive preamplifier for silicon strip, Si(Li), CdZnTe and CsI detectors etc. with switch control feedback resistance were described, the entire system to be built using the CMOS transistors. The circuit configuration of the CSP proposed in this paper can be adopted to develop CMOS-based Application Specific Integrated Circuit further for Front End Electronics of read-out system of nuclear physics, particle physics and astrophysics research, etc. This work is an implemented design that we succeed after a simulation to obtain a rise time less than 3ns, the output resistance less than 94? and the linearity almost good.In this paper, the design and analysis of a new low noise charge sensitive preamplifier for silicon strip, Si（Li）, CdZnTe and CsI detectors etc. with switch control feedback resistance were described, the entire system to be built using the CMOS transistors. The circuit configuration of the CSP proposed in this paper can be adopted to develop CMOS-based Application Specific Integrated Circuit further for Front End Electronics of read-out system of nuclear physics, particle physics and astrophysics research, etc. This work is an implemented design that we succeed after a simulation to obtain a rise time less than 3ns, the output resistance less than 94Ω and the linearity almost good.

关 键 词：电流放大器 粒子探测技术 开关 反射电阻 

分 类 号：TN722[电子电信—电路与系统]