Who will win the cable race?

My job offers me a wonderful opportunity to test a variety of leading-edge products and technologies. In the past month, I have had the privilege of testing three different categories of cables.

In the copper cable world, it has become routine to perform cable impedance characterization. As signals get even faster, s-parameters like insertion loss and return loss are also called out. At even higher rates, near-end and far-end cross talk s-parameters are required to characterize their transfer functions even for short, 1m cables.

To read the rest of this article, please visit my Scope Guru on Signal Integrity Blog, on EDN’s site

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