[SI-LIST] : Searching For Equations Governing Serpentine Traces

Abe Riazi (ariazi@anigma.com)
Sun, 17 Jan 1999 21:03:05 -0800

Dear Si-List Members,

Serpentine traces are frequently employed in design of high speed
digital PCBs to increase propagation time of certain signal lines.
These wavy shaped tracks provide an effective means for matching trace
lengths and flight times of various signals.

I am searching for equations and rules of thumb which allow
determination of magnitude of crosstalk and changes in signal
propagation delay (or velocity) as a function of serpentine geometry
(dimensions and separation of adjacent trace segments).

Thank you in advance for your suggestions regarding laws or formulas
which govern serpentine traces..

Best Regards,

Abe Riazi
email: ariazi@anigma.com

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