CHARGE SENSITIVE PREAMPLIFIER AND PULSE SHAPER USING CMOS PROCESS FOR GERMANIUM SPECTROSCOPY

被引：9
作者：
KROEGER, RA
JOHNSON, WN
KINZER, RL
KURFESS, JD
INDERHEES, S
ALLEN, MD
ALLEY, GT
BRITTON, CL
CLONTS, LC
ERICSON, MN
SIMPSON, ML
机构：
[1] UNIV SPACE RES ASSOC,WASHINGTON,DC 20024
[2] OAK RIDGE NATL LAB,OAK RIDGE,TN 37831
来源：
IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 1995年 / 42卷 / 04期
基金：
美国国家航空航天局;
关键词：
D O I：
10.1109/23.467881
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We have developed a low noise, low power charge sensitive amplifier and pulse shaping circuit. Our application is for a double-sided germanium strip detector, nominally providing 50 independent spectroscopy channels. An array of these detectors would provide significant improvements in imaging, spectroscopy and sensitivity for space-based gamma-ray astronomy. The key features of these electronics are low noise, very low power, and a small footprint per channel. Performance of our first circuit is in good agreement with simulations, with similar to 205e noise rms (0 pF), and 3 mW/channel power consumption. Dynamic range is 0-3.3 MeV (germanium) with a linearity of +/- 0.6%. Performance of this prototype device will be discussed.
引用
收藏
页码：921 / 924
页数：4
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