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Top 10 Reasons NOT to Care About Signal Integrity

Posted June 19th, 2009 · 1 Comment · Humor


Here’s my top ten reasons NOT to care about signal integrity. What’s the lamest excuse you can think of? Add it in the comment box!

10. Hey! My chip meets spec. It’s the OEM’s job to design it in right.

9. The speed of light is 670,616,629.4 miles per hour. That’s really, really fast.

8. I never had that problem on my last project, and this revision is only 30% faster.

7. The via stubs don’t connect to anything. What harm can they do?

6. My PCB vendor specs convince me I won’t have a problem: “Loss tangent – pretty close to zero. Roughness – almost no roughness. Metal resistivity – are you kidding? Copper’s a real good conductor.”

5. Skin effect? Isn’t that something to do with Photoshop?

4. S-parameters? No thanks. Don’t you have an RGLC SPICE model?

3. 10 picoseconds? Listen to me: 10 picoseconds to ten decimal places is 0.0000000000 seconds.

2. If it doesn’t work we can always step up to Rogers’ material.

And the number 1 reason NOT to care about signal integrity is:

1. We’re hoping lower speed products will make a come back!

TGIF. Have a good weekend! 🙂

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