RADIATION EFFECTS ON THE VIKING-2 PREAMPLIFIER READOUT CHIP

被引:3
作者
FALLOTBURGHARDT, W
HAWBLITZEL, C
HOFMANN, W
KNOPFLE, KT
SEEGER, M
BRENNER, R
NYGARD, E
RUDGE, A
TOKER, O
WEILHAMMER, P
YOSHIOKA, K
机构
[1] MAX PLANCK KERNPHYS,D-69029 HEIDELBERG,GERMANY
[2] UNIV OSLO,DEPT INFORMAT,N-0316 OSLO,NORWAY
[3] CERN,CH-1211 GENEVA 23,SWITZERLAND
关键词
D O I
10.1016/0168-9002(94)90824-9
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
We have studied the radiation sensitivity of the Viking-2 VLSI circuit which has been designed for the readout of silicon strip detectors and manufactured at Mietec in 1.5 mum CMOS technology. Both biased and unbiased chips have been irradiated with a Cs-137 gamma source up to a total dose of 2 kGy (200 krad) after which all tested chips were still fully functional. We report the characteristic changes of device parameters with dose, including equivalent noise charge for different capacitive loads, and determine transistor threshold shifts and change of mobilities.
引用
收藏
页码:683 / 687
页数:5
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