| 低噪声空间光调制器电流开关网络结构的研究 |
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| 引用本文： | 吴兰,余宁梅,张耀辉. 低噪声空间光调制器电流开关网络结构的研究[J]. 西安理工大学学报, 2008, 24(4) |
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| 作者姓名： | 吴兰 余宁梅 张耀辉 |
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| 作者单位： | 1. 西安理工大学,自动化与信息工程学院,陕西,西安,710048
2. 中科院苏州纳米技术与纳米仿生研究所,系统集成部,江苏,苏州,215125 |
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| 基金项目： | 科技部国际科技合作计划 |
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| 摘 要： | 提出了一种基于开关电容积分电路、用于多量子阱空间光调制器驱动电路的电流开关网络结构。通过改变开关网络结构及调整开关尺寸,在保持开关电容电路结构简单、功耗低等优点的同时,克服了MOS管开关非理想特性带来的开关噪声,提高了输出精度。仿真结果表明,新型电流开关网络结构将开关开启、关断造成的尖峰电流从几十个微安降低到几个微安,有效抑制了噪声影响,极大地提高了输出精度,完全符合多量子阱空间光调制器的要求。
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| 关 键 词： | 开关电容积分电路 多量子阱空间光调制器 电流开关网络 |
Research on Low-Noise Current-Switching Network Structure for Spatial Light Modulator |
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| WU Lan,YU Ning-mei,ZHANG Yao-hui. Research on Low-Noise Current-Switching Network Structure for Spatial Light Modulator[J]. Journal of Xi'an University of Technology, 2008, 24(4) |
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| Authors: | WU Lan YU Ning-mei ZHANG Yao-hui |
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| Affiliation: | WU Lan1,YU Ning-mei1,ZHANG Yao-hui2(1.Faculty of Automation , Information Engineering,Xi'an University of Technology,Xi'an 710048,China,2.Suzhou Institute of Nano-Tech , Nano-Bionics,CAS,Suzhou 215125,China) |
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| Abstract: | A new current-switching network structure,which is based on the switched-capacitor circuits and applied in the driving circuit of multi-quantum-well(MQW) spatial light modulator(SLM),is proposed in this paper.By modifying the network structure and readjusting the switch size,it not only keeps the simplicity of the structure and low-power consumption,but also declines the switching noise and increase output precision.It can be seen from the simulation results,that the new current-switching network structure ... |
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| Keywords: | switched-capacitor integrator circuit MQW SLM current-switching network |
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