[sdiy] PC board from artwork?

[Quincas Moreira]

David, could you describe how you lay out PCBs in Excel? very curious :)



On Wed, Oct 19, 2016 at 7:36 PM, David G Dixon <dixon at mail.ubc.ca> wrote:

> Hi Terry,
>
> I can rework the layout to accommodate more typical quad opamps such as
> TL074.  This is actually very easy for me to do.  I do it in Excel.  With
> the graphic and the schematic from the article, I can reproduce the layout
> in Excel very quickly and then manipulate the layout to change the opamp
> pinouts.  No problem.
>
> I could also add some sine shapers if required.  I have a nice design for
> sine shapers which I could basically drop onto the board.  It would get a
> tiny bit bigger, though.
>
> > -----Original Message-----
> > From: Synth-diy [mailto:synth-diy-bounces at dropmix.xs4all.nl]
> > On Behalf Of KA4HJH
> > Sent: Wednesday, October 19, 2016 4:44 PM
> > To: sdiy
> > Subject: Re: [sdiy] PC board from artwork?
> >
> >
> > > On Oct 19, 2016, at 5:57 PM, Byron G. Jacquot
> > <thescum at surfree.com> wrote:
> > >
> > > I'd be happy to redraw it in Eagle, and generate Gerbers,
> > if it comes to that.  It'd be a quick hour or so.  You'd
> > still have to find somewhere to fab 'em - I typically use
> > OSHPark or Advanced Circuits.
> > >
> > > It's worth noting that the original design uses 4136's, but
> > might be more useful if they were swapped to the more common
> > quad op-amp package.
> >
> > That was one of the main changes I would make if, in my dream
> > world, I could actually redo the whole thing. Fortunately I
> > have lots of 4136s.
> >
> > The other thing is that it might be interesting to put sine
> > shapers on the oscillators that form the Lissajous baseline.
> > I don't know how it would look with an ellipse instead of a rhomboid.
> >
> >
> > > On Oct 19, 2016, at 5:40 PM, David G Dixon
> > <dixon at mail.ubc.ca> wrote:
> > >
> > > I would be happy to make one for you, Terry.  I make my own
> > boards all
> > > the time, and sell quite a few of them to other hobbyists.
> > >
> > > I have one or two questions about the layout graphic, but
> > we can deal
> > > with that if you decide you want me to do it.
> >
> > This list is getting more helpful all the time. I need to get
> > past Halloween before doing anything but after that...
> >
> >
> > > On Oct 19, 2016, at 5:54 PM, Dave Manley <dlmanley at sonic.net> wrote:
> > >
> > > Egads, I remember reading that article in my high school
> > library when it was first published.
> > >
> > > ObSdiyContent:  it must have been about the same time
> > PAiA's 2700 was in Radio-Electronics...
> >
> > Yep, I was a subscriber when I was in high school. I really
> > wanted to build one. It only took me a couple of decades to
> > get around to it.
> >
> > The dog-eared magazine is in the next room right now. The pdf
> > article on my blog is a recreation of the original, OCRed and
> > reset in the original typeface.
> >
> >
> > Terry Bowman, KA4HJH
> > "The Mac Doctor"
> >
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> > Synth-diy at dropmix.xs4all.nl
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>
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-- 
Quincas Moreira
Test Pilot at VBrazil Modular
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