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首页 > 电子设计 > PCB设计 > Allegro PCB技术问答 > （已解决）怎么退出"retain existing xnets and diffpairs" mode？
（已解决）怎么退出"retain existing xnets and diffpairs" mode？
录入：edatop.com 点击：
在conHDL中给器件加载模型时出现如下命令行：
You are currently in the "retain existing xnets and diffpairs" mode. In this mode, the new Design Entry HDL Signal Integrity (SI) Analysis features are not enabled. For information on how to enable the Signal Integrity (SI) Analysis features, refer to the Migration Guide for Allegro Platform Products Releases 15.0, 15.1, and 15.2.modelassign
不知道要怎么退出"retain existing xnets and diffpairs" mode，请各位同学帮忙看看。
在Allegro Design Entry HDL ,选择Tool-->Option,
点击Signal Integrity选项卡。
不勾选 retain existing Xnet and diff-pair选项就ok了。
