| 多量子阱空间光调制器的驱动电路研制 |
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| 引用本文： | 吴兰,余宁梅,张耀辉.多量子阱空间光调制器的驱动电路研制[J].计算机工程与应用,2009,45(21):58-60. |
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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,自动化学院,西安,710048
2. 中国科学院,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： | 研制了一种通用可编程的多量子阱空间光调制器驱动电路。该电路利用软件预处理单元产生非线性光电转换控制信号,采用先粗扫再细扫的二次扫描方式,在保证扫描速度及分辨率的同时,有效降低像素单元电路的面积。通过调整驱动电路开关网络结构,减小了开关噪声,提高了输出精度。采用0.35 μm CMOS模拟工艺,完成了64×64阵列的多量子阱空间光调制器驱动电路的版图设计及流片。测试结果显示,芯片可以很好地工作,驱动电压摆幅为0~VDD,驱动电压分辨率可调,最高至256级,单个像素版图面积仅为65 μm×65 μm,可以与多量子阱空间光调制器倒装在一起,满足多量子阱空间光调制器对驱动电路的要求。
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| 关 键 词： | 可编程 空间光调制器 驱动电路 摆幅 分辨率 |
| 收稿时间： | 2009-5-5 |
| 修稿时间： | 2009-6-1
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Driving circuit for multi-quantum-well spatial light modulator |
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| WU Lan,YU Ning-mei,ZHANG Yao-hui.Driving circuit for multi-quantum-well spatial light modulator[J].Computer Engineering and Applications,2009,45(21):58-60. |
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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.Department of Automation , Information Engineering,Xi'an University of Technology,Xi'an 710048,China 2.Department of System Integration,Suzhou Institute of Nano-tech , Nano-bionics,Suzhou,Jiangsu 215125,China |
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| Abstract: | A universal programmable Multi-quantum-well(MQW) spatial light modulator(SLM) driving circuit is developed in this paper.With a twice scanning,the programmable signals are generated to drive non-linear MQW SLM by using a software preprocessing unit.By adjusting the switching network of the driving circuit,the switching noise is reduced and the output preci-sion is improved.The chip test results show that the driving voltage call swing from 0 to VDD,and its resolution can be close to 256 with only 65 μm×65 μm pixel estate. |
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| Keywords: | programmable spatial light modulator(SLIM) driving circuit swing resolution |
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