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Re: [Help-gnucap] modelling digital control of PWM circuits

From: John Vodden
Subject: Re: [Help-gnucap] modelling digital control of PWM circuits
Date: Wed, 9 Mar 2011 10:33:40 +0000
User-agent: Mutt/1.5.18 (2008-05-17)

[Sent off-list by mistake.]

Hi Al

Thanks for the reply.

On Sat, Mar 05, 2011 at 07:10:57PM +0000, al davis wrote:
> Should be.  If not, how about helping to add the capability?

I'll see what I can do; I'm certainly up for a challenge but, as for
everyone, time is a constraint.
> Yes, but how about a switch and a timed voltage source?  Both of 
> these are available now.

A switch and a timed voltage source (or lots of them) is pretty much
what I am trying to model. The difficulty comes in regularly updating
the parameters of the timed sources based on circuit conditions.

One approach could be to run lots of short simulations using a wrapper
script. The parameters could be calculated in the  gap and the
simulation continued from the final point of the previous simulation.
That feels like a bit of a hack to me, but I'd be interested in your

> Documentation for the development version is a wiki ..
> Technical documentation is at:

I see. I looked in the documentation and examples in the source package,
which seem to refer to the stable version and had not found the detailed
documentation on the wiki.


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