Low-cost modular multichannel acquisition system for high-resolution x-ray spectroscopy detectors

被引:0
|
作者
Guazzoni, C [1 ]
Buzzetti, S [1 ]
Longoni, A [1 ]
Arnaboldi, C [1 ]
机构
[1] Politecn Milan, Dipartimento Elettr & Informaz, I-20133 Milan, Italy
关键词
D O I
10.1109/NSSMIC.2001.1009656
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 present a modular multichannel acquisition system for high-resolution x-ray spectroscopy detectors. The system has been developed for the acquisition of signals coming from 12-element Silicon Drift Detectors but can be easily used for the acquisition of signals coming from other kinds of detectors. The main characteristics of the system are flexibility and low-cost. The basic component of our acquisition system is a board that acquires the signal coming from a shaping amplifier and provides peak stretching, peak detection and finally the analog-to digital conversion. The converted data are transferred to the PC using the protocol of a bi-directional Enhanced Parallel Port. The acquisition system has been fully developed and tested. The obtained overall linearity is within +/-0.4%. The achieved energy resolution is fully comparable to the one achieved with a commercial MCA system provided of a 13bit ADC. The system has been extensively used to acquire signals coming from single- and multi-element Silicon Drift Detectors.
引用
收藏
页码:700 / 703
页数:4
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