[待解决]Mentor Graphics 买下 Zeland

2010/02/01 正式 - 為未來20GHz digital electronics 布局, Mentor Graphics 买下Zeland.  HF 輸给 LF... .. 2rHw5Wn]~  
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http://bbs.mwtee.com/thread-34886-1-2.html K'?ab 0  
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http://www.mentor.com/products/pcb-system-design/events/multi-gbps-hyperlynx-3d-fullwave-solver-webinar FGwz5@|E  
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There are currently no dates scheduled for this event. However a recording of a previous session is available as an on-demand web seminar. fS#/-wugOB  
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View This On-Demand Web Seminar Now OverviewAs system data rates climb to multi-gigabit-per-second (multi-Gbps) levels, it becomes increasingly important to consider the complex effects of non-uniform interconnect discontinuities in addition to other signal integrity issues. This webcast examines the use of full-wave, three-dimensional electromagnetic modeling methodologies to improve simulation accuracy for multi-Gbps systems. mf}?z21v
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There are two basic types of interconnect discontinuities: @2
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Irregularly shaped interconnect elements on the printed circuit board (PCB), such as vias, bends, and non-uniform trace The packages that connect ICs and boards In the past, static or quasi-static field solvers were used to characterize uniform traces on boards and packages, while small, irregularly shaped elements were approximated or ignored. Such methodologies are sufficient for modeling and simulation of signals with relatively slow edge rates. f~Kln
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For multi-Gbps systems, however, especially those with data rates over 5 Gbps, even discontinuities introduced by small structures on boards and packages can significantly degrade signal quality, resulting in closed eye diagrams and unacceptable bit error rate (BER). Full-wave-based, three-dimensional analysis is needed to account for electromagnetic coupling and wave effects. oeIB1DaI  
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This webinar: @Jm$<E  
Presents the importance of advanced electromagnetic modeling methodologies in multi-gigabit system designs Introduces the newly acquired, full-wave 3D solution in HyperLynx Shows how this proven 3D solution can be used to accurately model discontinuities on boards and complex nets in packages Demonstrates design and verification flows using the 3D field solver in the HyperLynx signal-integrity simulation environment n
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IE3D V15就是改了下用MENTOR的安装方法，其它好像变化不大。有点不明的是，V15加多了导入文件的支持格式，但对MENTOR的产品PADS的支持却好像没有什么改善。

IE3D近些年是很没落，到了被收购的地步，属于过气的软件了......

关注mentor graphic ，越来越牛了。还有cadence