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Mail Archives: geda-user/2016/08/31/00:27:22

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From: "Evan Foss (evanfoss AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
Date: Wed, 31 Aug 2016 04:26:05 +0000
Message-ID: <CAM2RGhRrTihCo7jdrcMdB6JNopHW99XEeM7iP1Esv3xKknzuAg@mail.gmail.com>
Subject: Re: [geda-user] Microwave PCB layout simulation or How to eat all
your processing power in 3 easy steps
To: gEDA users mailing list <geda-user AT delorie DOT com>
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On Wed, Aug 31, 2016 at 4:16 AM, Larry Doolittle
<ldoolitt AT recycle DOT lbl DOT gov> wrote:
> Evan -
>
> On Tue, Aug 30, 2016 at 11:42:13PM -0400, Dave McGuire (mcguire AT neurotica DOT com) [via geda-user AT delorie DOT com] wrote:
>> On 08/30/2016 11:23 PM, Evan Foss (evanfoss AT gmail DOT com) [via
>> geda-user AT delorie DOT com] wrote:
>> >>> I was hoping for some wisdom from the crowd too. I am not a microwave
>> >>> dark artist and we have a resident phd in physics who might have a
>> >>> thing or two to say.
>> >>>
>> >>> Igor2 and I were talking about it last night. We got really excited
>> >>> about FEM solvers but does anyone here really want / have the ability
>> >>> to use this?
>> >>
>> >>   I'd sure as heck use it!  I think it'd open this up to a whole
>> >> different world of PCB users.  I think it'd be huge.
>> > Ok. What are your use cases for it? You and John are the only two
>> > people who responded.
>>   Filters and antennas, primarily.
>
> Crosstalk, VSWR of microwave circuits and high-speed serial routing.
> They are hard problems.  Even with ideal software, getting good data on
> a PCB process can be tough.  Lots of people make test boards for their own use,
> and then hope (and check) that the manufacturer doesn't change the process.

Ok. Do you have a background with FEM and do you think it is worth pursuing?

>   - Larry



-- 
Home
http://evanfoss.googlepages.com/
Work
http://forge.abcd.harvard.edu/gf/project/epl_engineering/wiki/

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