| Electronics > Projects, Designs, and Technical Stuff |
| How to even start routing this? |
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| Joanna_H:
Hi all, Was just wondering how any of you would even start to attempt manually route this rather crazy board? I could just auto-route it (which does work.) And yeah, not fully placed yet..... Thanks for any advice. |
| Joanna_H:
Forgot to say, it's a two layer board. |
| martin1454:
--- Quote from: Joanna_H on August 02, 2019, 06:42:10 am ---Forgot to say, it's a two layer board. --- End quote --- Good luck! it is possible, but will take time! I would start by doing the simple connections (the straight from U22 to U18 and so) |
| Dubbie:
Just start. |
| basinstreetdesign:
If I was asking this question then I would have to conclude that I wasn't finished placing it. Placement generally takes more than half the total time. Shoot for the lowest average trace length no longer than about 3/8 of a boards side dimension. This is from Rents Reasoning. See here: https://en.wikipedia.org/wiki/Rent%27s_rule down the page under "Rentian wirelength estimation". But a bigger question may be "Why only 2 layers?"; the cost jump from 2 to 4 layers is not that bad anymore. Getting rid of the power and ground distribution from the signal planes is easily worth the cost. |
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