Analyzing USB

a month ago by za_warudo_steve_freiheit to c/ece

How do people use an oscilloscope to analyze USB packets and such? I saw a video by Ben Eater and the way he did it was by exposing the necessary wires of a USB cable and probing those. Is this standard or are there types out there that have this functionally built-in as some accessory or something?

Edit: logic analyzers are pretty interesting

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emptiness 1 point a month ago

That sounds like an expensive oscilloscope.

I use an OpenVizsla.

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za_warudo_steve_freiheit 1 point a month ago

The one Ben Eater was using was a Keysight 200MHz, I think with 2GS/s sampling.

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