Best LTSpice to PCB
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Posted by Claus Jensen on July 21, 2007, 8:51 pm
Please log in for more thread options From experience, can someone please advise what is the most strightforward way to get from an LTSpice schematic file to a low end program capable of producing PCB manufacturing files, eg. layout, routing and drill plot capablilties? I had been re-drawing in EagleCad for the latter purposes. But I am hoping there is a more direct way. Thanking you, Claus Jensen | |||||||||||||||||||||||||||||||
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Posted by martin griffith on July 22, 2007, 3:22 am
Please log in for more thread options On Sun, 22 Jul 2007 10:51:00 +1000, in sci.electronics.design Claus if eagle can import a netlist, you are half way there martin | |||||||||||||||||||||||||||||||
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Posted by Leon on July 22, 2007, 7:06 am
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> From experience, can someone please advise what is the most
> strightforward way to get from an LTSpice schematic file to a low end > program capable of producing PCB manufacturing files, eg. layout, > routing and drill plot capablilties? > > I had been re-drawing in EagleCad for the latter purposes. But I am > hoping there is a more direct way. > > Thanking you, > > Claus Jensen I use Pulsonix for schematic capture and PCB layout. It has an integrated SPICE, but the SPICE schematics have to be edited, of course, as the PCB parts are different from the SPICE ones. There are plenty of other PCB packages with SPICE. Leon Leon | |||||||||||||||||||||||||||||||
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Posted by Joel Kolstad on July 22, 2007, 7:45 pm
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>> From experience, can someone please advise what is the most
>> strightforward way to get from an LTSpice schematic file to a low end >> program capable of producing PCB manufacturing files, eg. layout, >> routing and drill plot capablilties? >
> I use Pulsonix for schematic capture and PCB layout. Forgive Leon, he gets a free case of beer whenever he writes about Pulsonix, even when it has absolutely nothing to with the question posed. :-) > It has an
> integrated SPICE, but the SPICE schematics have to be edited, of > course, as the PCB parts are different from the SPICE ones. If you're just trying to build a PCB, you can often get away with minimal editing. I've done filters this way in Pulsonix -- change the voltage source and load resistor into SMA connectors and -- poof! -- everything is all set to go to PCB. It's when you need a real BOM or other manufacturing data that it's often just as fast to competely re-enter the schematic in another program. To the O.P.: If you look at LTSpice's help file, it'll tell you (page 22, "PCB Netlist Extraction") what programs it can export netlists to. ExpressPCB is supported and free; you might check that out. > There are
> plenty of other PCB packages with SPICE. Yes, but if you want to use Linear Tech parts, you're pretty much stuck using LTSpice since the models are specific to various features that LTSpice provides. There are legitimate engineering reasons for this -- building switching power converter models for "generic" SPICE does tend to make for very slow convergence. Although there are SPICE packages out there with a lot more options and features than LTSpice, there are also plenty that are far more limited, and not free (as in beer) like LTSpice _is_. ---Joel | |||||||||||||||||||||||||||||||
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Posted by Claus Jensen on July 23, 2007, 5:18 pm
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Although there are SPICE packages out there with a lot >more options and features than LTSpice, there are also plenty that are far
>more limited, and not free (as in beer) like LTSpice _is_. > >---Joel > Can you recomend the SPICE packages you refer to that have more options than LTSpice? Preferably free or lower price point. Although LTSpice is fast and easy to use, the component library is quite limited by design. Thank you, Claus | |||||||||||||||||||||||||||||||
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>strightforward way to get from an LTSpice schematic file to a low end
>program capable of producing PCB manufacturing files, eg. layout,
>routing and drill plot capablilties?
>
>I had been re-drawing in EagleCad for the latter purposes. But I am
>hoping there is a more direct way.
>
>Thanking you,
>
>Claus Jensen