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transient simulation result can not be accessed (Read 2159 times)

eeBismarck

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Posts: 6

transient simulation result can not be accessed
Feb 23^rd, 2009, 4:10am

Hi friends,

I am doing a transient simulation. I set the simulation stop
time=1.6us and maxstep=20ps. When the simulation approach 90%, there
is a warning:

- Warning -
<COM.cadence.awd.graph.GraphManager@aa559d>
Problem in attempting to load data forGraphObject={title=*,
cursorPos=null, ID=trc:4536207.8}
null

And the simulation coutinues to 100%. But i find that all the node
voltage is 'null' and can not be ploted. It is really strange.
I am using IC5141 with spectre and the mmsim 6.2 is included.

Have anybody encountered this kind of problem?

Thanks!

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Andrew Beckett

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Life, don't talk to
me about Life...

Posts: 1742
Bracknell, UK

Re: transient simulation result can not be accessed
Reply #1 - Feb 23^rd, 2009, 4:43am

Please do not post in multiple boards in this forum. This is covered in the http://www.designers-guide.org/Forum/guidelines.html. I can see you've posted this in (at least) 3 boards...

This is also being discussed over on http://groups.google.com/group/comp.cad.cadence/browse_thread/thread/8c9ac15becf... for anyone interested.

Andrew.

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Ken Kundert Global Moderator Offline Posts: 2386 Silicon Valley	Re: transient simulation result can not be accessed Reply #2 - Feb 23^rd, 2009, 8:29am The source of your problem is probably that you have set maxstep to 20ps? Why do you feel that is necessary? -Ken
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