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Old 15th January 2006, 10:53 PM   #1
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Default PCBs from pdf files

I was trying to start a group buy up over at pinkfishmedia from a circuit that's an optimised Naim pre-amp layout. The link to the design is at http://www.acoustica.org.uk/t/naim/preamps.html (The 'Air Guitar-iste' preamp at the bottom of the page).
The layout is at http://www.acoustica.org.uk/t/naim/...airg_tracks.pdf
I was hoping to get a number of pcbs from a manufacturer but I apparently need a gerber file to keep costs down.
Does anyone know how to convert a pdf to a gerber file? I've managed to get the file in the form of a dxf file, but this won't load into the pcb sofware I've got (Traxmaker).
Any ideas?
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Old 15th January 2006, 11:08 PM   #2
Nisbeth is offline Nisbeth  Denmark
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To my knowledge you need to redraw the PCB from the pdf-file in a PCB-editor before you can generate gerber's


/U.
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Old 15th January 2006, 11:11 PM   #3
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Quote:
Originally posted by Nisbeth
To my knowledge you need to redraw the PCB from the pdf-file in a PCB-editor before you can generate gerber's


/U.

That was my fear.
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Old 15th January 2006, 11:14 PM   #4
poobah is offline poobah  United States
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There are many ways

From PDF

Go to adobe illustrator

From illustrator go to DXF

using PCaD or good PCB software open the DXF and clean it up... it will not be perfect, Then create the gerbers...

Post your pdf's
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Old 15th January 2006, 11:23 PM   #5
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You will also need to make an Excellon drill file, and possibly solder resist mask and silkscreen gerbers.

How many were you planning to make?
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Old 15th January 2006, 11:25 PM   #6
steenoe is offline steenoe  Denmark
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The easy way would be to make a couple of boards yourself, from the PDF's Do a search on "toner transfer" Its actually pretty easy Take a look at these boards:http://www.diyaudio.com/forums/showt...857#post772857

Steen
Edit. Let me know and I will find a few threads for you
Edit again Normally you cant do much with a PDF file, its like a bitmap. You cant import a file like that into a vector program with great results! You can import it allright, but you have to redraw all the lines. And their width too!! Too much of a hassle?
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Old 15th January 2006, 11:29 PM   #7
poobah is offline poobah  United States
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Yeah I just tried to open iy in Adobe illustrator... it threw up flags... but still posted an image... it not dxf out for me though.

Did you say you had dxf's?

And how do they look?
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Old 15th January 2006, 11:37 PM   #8
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Have you asked the guy who designed the board;

a) for permission to use it?

b) for the gerbers?

The answer to a) might well give you the answer to b)
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Old 15th January 2006, 11:39 PM   #9
steenoe is offline steenoe  Denmark
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Quote:
Did you say you had dxf's?
If its a DXF file, you need the electronic's module for either Autocad or Microstation. Otherwise you wont get a real view of it. If it is a .PLT or HPG file, you might have a chance.

Steen
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Old 15th January 2006, 11:45 PM   #10
steenoe is offline steenoe  Denmark
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Just followed the links in the first post Thats a nice PDF allright, so I dont think they mind making a few for yourself at all. Also, I think it would be an easy task Just adjust the size, and off you are.....

Steen
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