xfab工艺，仿真不收敛…求看看问题

jtrlengyue

ERROR (SPECTRE-16385)There were 7 attempts to find the DC solution.In some of those attempt, a signal exceeded the blowup limit of its quantity .The last signal that failed is I(V2:p) =1.03579GA,for which the quantity is 'I' and the blowup limit is ( 1 GA).It is possible that the circuit has no DC solution.If you really want signals this large ,set the 'blowup ' parameter of this quantity to a larger value.

leeice99

你好，请问你解决了吗？我也遇到了同样的问题，请问怎么解决呢？谢谢

wmchpu

回复 2# leeice99


   你好，请问xfab的工艺是通过哪家MPW服务机构申请的？

bright_pan

你做什么仿真呢？电源上电的速度慢一点看看，从0V到3.3V的上升缓一些看看。

raf_song

會不會是MODEL有問題

电工师傅

给电源加一个延时就好了

WL8906

电工师傅 发表于 2018-5-2 10:15
给电源加一个延时就好了

您好，请问怎么加延时呢？

电工师傅

WL8906 发表于 2022-8-5 18:08
您好，请问怎么加延时呢？

瞬态仿真，加个delay

koudoushini

电工师傅 发表于 2022-8-11 16:34
瞬态仿真，加个delay

他这是DC结果出不来，又不是跑tran，我现在看的就是dc状态，我也遇到了这个情况。你dc情况下电源加延时？

liu1999

我做瞬态仿真时报这个错，跳过DC就可以了。