New counting ASIC for X-ray imaging devices

被引：0
|
作者：
Arques, M. [1 ]
Villard, P. [1 ]
Accensi, M. [1 ]
Noca, A. [1 ]
机构：
[1] CEA, LETI, F-38054 Grenoble 9, France
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2006年 / 563卷 / 01期
关键词：
counting; preamplifier; X-ray; ASIC; imaging device;
D O I：
10.1016/j.nima.2006.01.070
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A new preamplifier concept dedicated to X-ray counting devices was tested through a small 32 x 32 pixel matrix ASIC design. The schematics uses a charge transfer amplifier principle. Design was optimized to allow a high sensitivity (675 mV/ke(-)) together with a high counting rate (minimum Delta t: 150 ns at 3000e(-) input pulses), a low noise (150 rms electrons) and a low pixel power consumption (4.6 mu W). A chip in 0.35 mu m technology was processed and electronically tested. Design and performance are presented. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：92 / 95
页数：4
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