[time-nuts] time-nuts Digest, Vol 117, Issue 61
hagaaar587plus7 at googlemail.com
Fri Apr 18 13:17:58 UTC 2014
Hi Dave and thanks for the quick answer!
My thesis is about a phase noise measurement device I developed, which primary use is to measure phase noise/jitter of audioband DACs. I probably won't be focussing on jitter too much but would like to know if there even is one accepted standard definition.
For example, in the different definitions I found so far, the seperation between jitter and wander sometimes is given to be at 1Hz, 10Hz and sometimes just mushy definitions like "very low frequencies"...
I doubt it is that important for my thesis anyway, but I'd really like to know for myself, so if anyone has a pointer for me it would be greatly appreciated!
> Von: "Dave Brown" <tractorb at ihug.co.nz>
> Datum: 17. April 2014 11:21:25 MESZ
> An: "Discussion of precise time and frequency measurement" <time-nuts at febo.com>
> Betreff: Re: [time-nuts] Jitter Definition
> Antwort an: Discussion of precise time and frequency measurement <time-nuts at febo.com>
> It depends on what your thesis is all about- you could try some of the ITU documents for 'official' definitions but these may or may not be relevant to your thesis.
> DaveB, NZ
> ----- Original Message ----- From: "HagaaarTheHorrible" <hagaaar587plus7 at googlemail.com>
> To: <time-nuts at febo.com>
> Sent: Thursday, April 17, 2014 2:54 PM
> Subject: [time-nuts] Jitter Definition
>> Hello there,
>> I tried searching the archives (and google, IEEE, NIST, ITU), but didn't really find a satisfying answer, so I thought I'd ask directly.
>> In short:
>> Is there any kind of standard definition for Jitter which is commonly accepted?
>> I (think I) understood Jitter and phase noise by now, yet I need to give some references in my bachelor's thesis, so I'm looking for a definition. So far I haven't found a real definition of the different "types" (RMS,p2p,c2c,...) and components(RJ,DJ) of Jitter, but I guess there must be some kind of accepted standard!?
>> If anyone could point me to some "official sources" which are "accepted in the industry", I'd be very grateful.
>> Thanks in advance and best regards
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