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submitted 6 months ago by [email protected] to c/[email protected]

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[–] [email protected] 47 points 6 months ago (27 children)

A millimeter is huge in these situations. USB3 requires 5 mil tolerances, just over 0.1 mm. This scales with the inverse of data rate.

Electronics are so fast that we gotta take the speed of light into account. God help you if you put too sharp a bend in a trace, too ...

[–] [email protected] 5 points 6 months ago (15 children)

What is a mil in this context? I'm genuinely curious.

[–] [email protected] -3 points 6 months ago* (last edited 6 months ago) (5 children)

A millimeter i.e a thousands of a meter.

edit: I was wrong, confusingly enough it is a thousands of an inch

[–] [email protected] 9 points 6 months ago (1 children)

5 mm isn't 'just over 0.1 mm'. That can't be right.

[–] [email protected] 4 points 6 months ago

Well, it depends on your margin of error.

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