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The best layout program.....if I had a penny everytime I've heard this question. I've been doing layout for over 15 years now. The other poster had the right idea about schematic capture. You want the schematic to work well with the layout package. There is no doubt there are going to be changes in your design that you will want to make during or after your layout. Another thing to consider for layout is complexity. Are you doing thru hole, surface mount, mixed? Simple decals or will you be doing 256 pin BGA's? The real answer to your question is.....the best layout package is the one you decide to use. You will learn everything there is about it. Bugs, shortcuts, etc. I've used many and at the time I used them, well I thought they were the best package out there. After using some I can look back and see things I liked more from one to another. But the bottom line is that there is no package that has it all. Personally I used PadsPcb right now. Have been for 7 years. Before that it was PCAD, Eagle, and some that aren't even around anymore. (I'm aging myself so I'll stop there) Hope this helps a little.
Well my experience says that Orcad Package is easy to learn & use. Its quite user friendly with almost all features required for complex circuits. I made a layout having 38 DIP ICs with only single layer & kept jumpers count minimum.
Now I have decided to migrate to Electronics Workbench Package due to its very attractive features, not to mention having all advantages of Orcad.
Complexity wise I think Cadstar from Zuken is the best for very complex designs. I worked in ISRO, India as a trainee for 6 months and used Cadstar for designs having FPGA & all such stuff with 4 layers board. But Cadstar has problems of not easily available and hard to learn.
Simple answer: there isn't "the best" PCB package. I've worked with Orcad, Tango (both since DOS mode was available only) Protel, Eagle, Pads and I didn't found any one of these which could be cleary defined better than other.
Pads is relatively good for high density board (2000 to 6000 connections, more than 1500 vias, more than 6 layers), Eagle is perfect for small designs on two or four layers but definitely without BGA. Orcad is the best for editing schematics but not for PCB routing.
And so on.
For past 2 years I’m using Allegro PCB Design (Cadence), I think this software is the best for package and PCB design. Last but no list this is only my opinion.
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