USB signal timing goes mainstream. Just an FYI


Now, to be fair, the issue here is rates that strain the "eye" and the ability to recognize the 1-0-1 transitions.  But in the analog domain the precision of those transitions affects Jitter and therefore half of the Cartesian plot that is PAM..  'later

https://www.electronicdesign.com/industrial-automation/article/21177252/kandou-11-myths-about-usb-re...
itsjustme
Man, I just clicked the link you posted and couldn’t get past all the pop ups that I had to wait ten seconds before it went away and the next one popped up!

Sheesh
I almost regret posting this.  Don't take much into that article except to point out that timing (not just bit recovery can be a real issue, and that when that bit transition is used in part to determine fully half the reconstructed waveform (the "digital" interface is quasi analog in this regard) imagine how much more impactful it is for those of us who care about this backwater.


The article is neither directly relevant to audio nor particularly leading edge. It was simply in my morning feed and an interesting counterpoint to some tirades. Not worth seeking out.  Want a better discussion of why jitter matters?, see the blog at Sonogy research (somewhere in there)
Properly designed DACs for all intents and purposes are considered ' transparent ' in other words they deal with distortion and noise no matter where it comes from not to say there are still DACs used as distortion generators with tubes and other nonsense stacked on.