| 一种新型低kickback噪声的闩锁型比较器 |
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| 引用本文： | 张信,于敦山,盛世敏.一种新型低kickback噪声的闩锁型比较器[J].北京大学学报(自然科学版),2006,42(5):681-684. |
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| 作者姓名： | 张信 于敦山 盛世敏 |
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| 作者单位： | 北京大学信息科学技术学院微电子研究所，北京，100871；E-mail: zhangxin@ime.pku.edu.cn |
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| 基金项目： | Acknowledgement Thanks to Teacher Han Lin for her great help during the use of several EDA tools. |
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| 摘 要： | 提出了一种新的闩锁型比较器结构。由于它的低kickback噪声特性，此比较器特别适合应用于差分模拟－数字转换器(ADCs)。电路采用标准 0.35μm 的工艺进行模拟，结果显示此比较器在 3.3V 电源下采样频率为 400Ms/s，并且kickback噪声比传统结构减少了88%。
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| 关 键 词： | 模拟－数字转换 平行ADC 高速比较器 kickback噪声 |
| 收稿时间： | 2005-12-09 |
| 修稿时间： | 2005-12-092006-03-02 |
A Novel Latched Comparator with Low Kickback Noise |
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| ZHANG Xin,YU Dunshan,SHENG Shimin.A Novel Latched Comparator with Low Kickback Noise[J].Acta Scientiarum Naturalium Universitatis Pekinensis,2006,42(5):681-684. |
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| Authors: | ZHANG Xin YU Dunshan SHENG Shimin |
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| Institution: | Institute of Microelectronics, School of Electronics Engineering and Computer Science, Peking University, Beijing,100871; E-mail: zhangxin@ime.pku.edu.cn |
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| Abstract: | A new latched comparator architecture was proposed. Because of its very low kickback noise feature, it is especially suitable for differential analog-to-digital converters (ADCs). Simulated results of the proposed circuit in a 0.35μm standard CMOS technology show that this comparator achieves a sampling speed of 400 Ms/s at 3.3-V supply, with a kickback noise 88% lower than conventional schemes. |
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| Keywords: | analog-to-digital(A/D) conversion parallel ADC high-speed comparators kickback noise |
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