ar-t;372196 Wrote: > Ya wanna see some really, really, really bad jitter, posing as something > really hot??? > > Here, follow this link: > > http://focus.ti.com.cn/cn/lit/an/scaa088/scaa088.pdf > > Look at the phase noise plots. You will notice that they are very proud > of how low the jitter is. > > From 10 kHz on up. Yeah, in case, they claim <1 pSec. > > Too bad that they ignore everything below that. > > *This is not low jitter! SPDIF can do better than this. -60 dBc @ 100 > Hz is not low jitter.* It is horrible. > > So, re-read what I have said earlier (paraphrased slightly): > > "Our clocks have <5 pSec of jitter, at frequencies >1 kHz jitter > measurement." > > What they don't say is much more important than what they do say. > > Oh that TI chip.......similar to how they derive the clock in most DVD > players. One crystal, lots of frequencies. All PLL-derived. > > Enjoy! > > Pat > > (BTW, thanks to one of my "spies" who ran across this on some hobbyist > forum somewhere. Not sure which one. All about as useless as the next.) May I ask why the frequency below 10kHz is important ? When is it used (in audio, I mean) ?
-- Themis SB3 - North Star dac 192 - Denon 3808 - Sonus Faber Grand Piano Domus ------------------------------------------------------------------------ Themis's Profile: http://forums.slimdevices.com/member.php?userid=14700 View this thread: http://forums.slimdevices.com/showthread.php?t=56425 _______________________________________________ audiophiles mailing list [email protected] http://lists.slimdevices.com/lists/listinfo/audiophiles
