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| 精确高效的渐变结构片上螺旋电感的电感值分析技术 | |
| 引用本文： | 罗天星,石艳玲,丁艳芳,唐深群,刘贇,王勇,朱骏,陈寿面,赵宇航. 精确高效的渐变结构片上螺旋电感的电感值分析技术[J]. 半导体学报, 2006, 27(9): 1616-1620 |
| 作者姓名： | 罗天星 石艳玲 丁艳芳 唐深群 刘贇 王勇 朱骏 陈寿面 赵宇航 |
| 作者单位： | 1. 华东师范大学信息学院电子系,上海,200062;传感技术联合国家重点实验室,上海,200050 2. 华东师范大学信息学院电子系,上海,200062 3. 上海集成电路研发中心,上海,201203 |
| 基金项目： | 国家自然科学基金，上海市青年科技启明星计划，上海市应用材料研究与发展基金 |
| 摘 要： | 与传统的金属线宽和间距固定不变的无源片上螺旋电感相比,线宽和间距由外圈到内圈渐变的新型结构电感能有效提高电感品质因子.这种新结构电感的出现使得Jenei等人提出的闭合电感公式已不再适用于其电感值的计算,而改进的wheeler公式计算误差又较大.针对这种情况,文中提出了一种以圈为单位分圈迭代求自感,用整体平均法计算互感的平面螺旋电感的电感值计算方法.该算法分析值与HFSS仿真值相比,误差小于3%,与样品测量值相比,误差小于4%.因此该算法具有计算速度快、精度高的特点,能用于渐变结构片上螺旋电感的高效设计,并可缩短设计周期. |
| 关 键 词： | 平面螺旋电感 分圈迭代算法 渐变结构电感 |
| 收稿时间： | 2015-08-18 |
| 修稿时间： | 2006-04-26 |
An Accurate Arithmetic for On-Chip Spiral Inductors with Gradually Changed Metal Width and Space |
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| Luo Tianxing, Shi Yanling, Ding Yanfang, Tang Shenqun, Liu Yun, Wang Yong, Zhu Jun, Chen Shoumian, Zhao Yuhang. An Accurate Arithmetic for On-Chip Spiral Inductors with Gradually Changed Metal Width and Space[J]. Journal of Semiconductors, 2006, In Press. Luo T X, Shi Y L, Ding Y F, Tang S Q, Liu Y, Wang Y, Zhu J, Chen S M, Zhao Y H. An Accurate Arithmetic for On-Chip Spiral Inductors with Gradually Changed Metal Width and Space[J]. Chin. J. Semicond., 2006, 27(9): 1616.Export: BibTex EndNote | |
| Authors: | Luo Tianxing Shi Yanling Ding Yanfang Tang Shenqun Liu Yun Wang Yong Zhu Jun Chen Shoumian Zhao Yuhang |
| Affiliation: | Department of Electron,East China Normal University,Shanghai 200062,China;State Key Laboratory of Transducer Technology,China Academy of Sciences,Shanghai 200050,China;Department of Electron,East China Normal University,Shanghai 200062,China;State Key Laboratory of Transducer Technology,China Academy of Sciences,Shanghai 200050,China;Department of Electron,East China Normal University,Shanghai 200062,China;Department of Electron,East China Normal University,Shanghai 200062,China;Department of Electron,East China Normal University,Shanghai 200062,China;Department of Electron,East China Normal University,Shanghai 200062,China;Shanghai IC Research and Development Center,Shanghai 201203,China;Shanghai IC Research and Development Center,Shanghai 201203,China;Shanghai IC Research and Development Center,Shanghai 201203,China |
| Abstract: | Compared with conventional passive inductors with fixed metal width and space,an inductor with gradually changed mental width and space is put forward to improve its quality factor.But it is difficult to get accurate inductance with most published formulas such as Jenei formula for such novel structure inductor.An accurate arithmetic is presented,which gets total self-inductance by adding up each turn’s self-inductance and gets mutual-inductance from an average approximate formula.The accuracy and effectiveness are verified by HFSS simulation and experiment measurement.The relative error for this arithmetic compared with HFSS is less than 3%,while compared with experiment measurements less than 4%.These show that it is efficient and valuable for the design of such passive spiral inductor. |
| Keywords: | planar spiral inductor iterative arithmetic inductors with gradually changed width and space |
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