HW Interview
HS-12 · Chapter 7 · High-Speed Interfaces & Memory

Multi-gigabit video through a moving joint

A camera on a moving joint must send multi-gigabit serialized video back to the base through an interconnect that bends every time the joint moves, and there is almost no room for thickness. How would you carry it? (State your own assumptions, for example a few Gb/s and a fraction of a millimetre.)

Level●●● onsite design / senior
TrackSI & high-speed
Really testingFlex constraints — impedance, loss and mechanical life together.
Full worked answer: in the book, page 194 — what to say first, how to explain it, the numbers worth quoting and the follow-ups. About the book →

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