On Sunday, June 27, 2021 04:27:19 AM Joe wrote: > There is no 'digital', it's all analogue with a poor signal/noise ratio.
Interesting -- thanks! Nothing new below this line. > And no, I'm not kidding. Some of the more obscure digital faults turn > out to require actually looking at the data with a (real) oscilloscope, > where its analogue nature can usually be seen very clearly. > > Reflections, jitter, eye height, these are all analogue issues. I once > fixed a fault where a particular simple logic IC had to come from a > particular manufacturer, and someone had fitted one of the same type > number but from a different manufacturer, that had a different input > impedance. Real bleeding-edge, state-of-the-art hardware, that was.
