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Re: [Help-gnucap] Re: Scientific/engineering notation

From: Leandro Marsó
Subject: Re: [Help-gnucap] Re: Scientific/engineering notation
Date: Thu, 29 Nov 2007 23:03:59 -0300

2007/11/29, a r <address@hidden>:
> When using a TSMC 0.25 MOSIS models (level=49) setting the time step
> below 0.1ns like below:
> .tran 0.01n 40n
> causes following problems.
> storage element step control error:Cgs.Mn1.xgate 1e-12
> using Euler, disabling time step control
> With timestep of 0.1ns the simulation runs fine but the numerical
> ringing is very visible.
> Any idea?
> -r.

Hello -r,
be carefull with the units in the length and width of the channel, it
is in meter units. If it is not the problem, you could try to isolate
the problem with a small circuit and paste it and send it to the list.
good luck!

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