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How it was: CAD, CAE, and EDA

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Max The Magnificent
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re: How it was: CAD, CAE, and EDA
Max The Magnificent   9/30/2011 7:14:58 PM
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I started off as a Bipolar TTL man myself -- occasional dabbles in ECL -- and then CMOS just took over...

ESF
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re: How it was: CAD, CAE, and EDA
ESF   9/30/2011 7:02:38 PM
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In the early 1980's we circuit designers were bipolar guys. I had a friend who so disliked CMOS' then-limitations that he put not his initials but a universal "No CMOS" icon on a couple of his layouts. Later on he was an early employee of a major So-Cal based semiconductor company, where he met with great success and semi-retired to paradise. At that company he was designing ... analog CMOS.

Max The Magnificent
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re: How it was: CAD, CAE, and EDA
Max The Magnificent   9/30/2011 6:50:43 PM
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Cool Beans -- If you find some pics maybe you could write this up in more details and I'll post it as a "How it was" under your name (just email everything to me at max@CliveMaxfield.com)

Max The Magnificent
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re: How it was: CAD, CAE, and EDA
Max The Magnificent   9/30/2011 6:47:24 PM
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That's what the force will do for you :-)

LiketoBike
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re: How it was: CAD, CAE, and EDA
LiketoBike   9/30/2011 6:11:23 PM
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Yes. I was about 13 when Star Wars came out. I remember thinking how mature and sophisticated Luke and Han and Leia were. Now I look and think, "They were practically CHILDREN!!!" Oh to be that young again :-)

LiketoBike
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re: How it was: CAD, CAE, and EDA
LiketoBike   9/30/2011 6:09:33 PM
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I don't think I have any photos of the actual work, though I might have some of me then...but I might still have the light table :-) I'll look.

Max The Magnificent
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re: How it was: CAD, CAE, and EDA
Max The Magnificent   9/30/2011 6:02:54 PM
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Do you have any pictures of those days and your light table?

Max The Magnificent
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re: How it was: CAD, CAE, and EDA
Max The Magnificent   9/30/2011 6:01:37 PM
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When I was a kid it was like the Charlie Brown cartoons on TV -- it seemed as though the grown-ups towered above you and wandered around making incomprehensible sounds ... I remember when I was 13 thinking my parents were ancient -- but my mom was only 40 at the time ...

LiketoBike
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re: How it was: CAD, CAE, and EDA
LiketoBike   9/30/2011 5:32:48 PM
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My wife and I were visiting the USS North Carolina moored in Wilmington as a museum. There was a 4th grade class on a field trip. I waxed enthusiastic talking to some of them about how a mechanical fire-control computer aimed the ship's main guns...they probably thought it was just some old fart (though I was only 40 :-)

LiketoBike
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re: How it was: CAD, CAE, and EDA
LiketoBike   9/30/2011 5:29:57 PM
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While an undergrad in the mid-80s, I did some hourly work laying out pcbs with Bishop Graphics. 2X on grid paper; they were reduced later with a camera to make the masks. I did double-sided boards by using two layers of clear plastic. The engineer I did this work for got me a piece of glass and translucent plastic, and I made my own light table out of salvaged plywood and discarded flourescent fixtures. Sat in one of those bent-back computer chairs (which were very comfortable for long periods of sitting).

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