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how to solve convergence problem in spectre's transient analysis ? (Read 4949 times)

larry

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how to solve convergence problem in spectre's transient analysis ?
Jun 25^th, 2010, 1:20am

Hello, I am a rookie in spectre...
When I run the transient analysis, it shows.:

Warning from spectre at time = 45.361914483 ns during transient analysis
`transient1', during task `MDLControl'.
WARNING (SPECTRE-16266): Convergence difficulties resulted in error
requirements being unsatisfied.
Further occurrences of this warning will be suppressed.

How should I solve this issue ?
Thank you,,

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Geoffrey_Coram Senior Fellow Offline Posts: 1999 Massachusetts, USA	Re: how to solve convergence problem in spectre's transient analysis ? Reply #1 - Jun 28^th, 2010, 4:27am 1) fix your circuit 2) fix your models 3) fix your tolerances Pick one. It's hard for us to guess which one is more likely from what you wrote.
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vivkr Community Fellow Offline Posts: 780	Re: how to solve convergence problem in spectre's transient analysis ? Reply #2 - Jun 28^th, 2010, 5:09am In addition to the points Geoffrey made, you could also try to use the 64-bit version of Spectre. Simply select the option under Setup -> Environment in ADE. Vivek
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