Jitter—Understanding it, Measuring it, Eliminating it, Part 1: Jitter Fundamentals

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  • Author: Johnnie Hancock
In data communica-tions, once bit trans-fer rates exceed one gigabit-per-second, sim-ply dealing with 1s and 0s is no longer sufficient. This situation is clearly the case with many of the new data transfer stan-dards—InfiniBand, PCI Express, 10-Gigabit Ethernet, Fibre-Channel, HyperTransport, RapidIO, and the like. Now, designers must concern themselves with the true nature of a circuit carrying binary information, realizing that it is, in fact, an analog circuit. This means that many parametric issues have become more important than ever.