共查询到13条相似文献,搜索用时 109 毫秒
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在GHz以上高频集成电路中,必须考虑互连线的电感寄生效应,以便对电路性能进行准确的分析和验证. K参数矩阵(部分电感矩阵的逆)由于其较好的局部化特性,被广泛接受并应用于对互连电感效应进行建模.但多数已有文献未考虑高频效应或效率不高.本文提出一种新的三维频变K 参数提取算法,通过与窗口技术相结合、以及窗口内线性方程组的有效求解,该算法具有较高的计算效率,同时,在此基础上,通过少量额外运算还可得出频变电阻.数值实验表明,该算法可处理复杂的互连结构,并且在保持较高准确度的情况下,其速度比电感提取软件FastHenry快几十至几百倍. 相似文献
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随着芯片尺寸的减小和信号频率尺寸的进一步提高,对高频信号传输线的高频寄生参数的提取和建立有效的模型变得越来越重要.基于考虑趋肤效应的导体2维切分的方法得到传输线的RLC等效网络矩阵,然后使用一种模型降阶的方法来得到简单通用有效的传输线模型,从而提高了20%的传输线模型的运算效率. 相似文献
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Shang-Wei Tu Wen-Zen Shen Yao-Wen Chang Tai-Chen Chen Jing-Yang Jou 《Analog Integrated Circuits and Signal Processing》2003,35(1):65-78
As the operation frequency reaches gigahertz in deep-submicron designs, the effects of inductance on noise and delay can no longer be neglected. Most of the previous works on inductance extraction are field-solvers, which are intrinsically more accurate but computationally expensive. Others focus on modeling the inductances of special routing topologies such as the bus structure. Therefore, it is not suitable to incorporate them on-line into a layout (placement and routing) tool for inductance (delay and noise) optimization. In this paper, we consider the overlapping of unequal wire lengths and dimensions to efficiently extract the loop inductance from the coplanar interconnect structure. The difference between our simulation results and the estimation values obtained by FastHenry [12] is within 10% for practical cases. In particular, our modeling is extremely efficient, and thus can be incorporated into a layout tool for inductance optimization. 相似文献
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