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后仿真收敛技巧:解决SPICE/IBIS模型仿真不收敛的5种常用手段
[导读]在高速数字电路与模拟电路设计中,后仿真(Post-Layout Simulation)是验证信号完整性与电源完整性的关键环节。然而,SPICE模型(用于模拟电路)与IBIS模型(用于数字接口)的仿真常因模型非线性、初始条件设置不当或电路拓扑复杂导致不收敛问题。
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