Design and optimization of the readout system for X-ray CCDs

A readout system for X-ray CCDs based on an improved architecture is presented; by optimizing several critical circuit blocks along the analog signal chain, the conflict between the readout speed and readout noise is greatly alleviated. Using CCD47-10 as its target CCD, the readout system has achiev...

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Bibliographic Details
Published in:Chinese physics C 2012-09, Vol.36 (9), p.846-850
Main Author: 陆波 崔苇苇 王于仨 朱玥 张艺 徐玉朋 陈勇 霍嘉 李炜 韩大炜 李茂顺 杨彦佶 王娟 陈田祥 胡渭 李承奎 刘晓艳
Format: Article
Language:English
Subjects:
Charge coupled devices
Circuits
Design engineering
FWHM
Manganese
Noise
Optimization
Pixels
X-rays
X射线CCD
优化
体系结构
模拟信号
电路模块
设计
读出系统
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Summary:A readout system for X-ray CCDs based on an improved architecture is presented; by optimizing several critical circuit blocks along the analog signal chain, the conflict between the readout speed and readout noise is greatly alleviated. Using CCD47-10 as its target CCD, the readout system has achieved 8.6e^- readout noise and 142 eV FWHM at 5.9 keV Mn Kα under a pixel rate of 80 kHz. Also its performance of imaging has been investigated.
ISSN:1674-1137
0254-3052
DOI:10.1088/1674-1137/36/9/009