[time-nuts] Advantages & Disadvantages of the TPLL Method

Didier Juges didier at cox.net
Sun Jun 13 10:39:51 UTC 2010


I saw that. There is nothing I can do about it other than by using a url
shortener which I am reluctant to do because of the obfuscation and
potential for abuse.

I assume that by now everyone knows how to deal with these problems, and if
someone does not, now is a good time to brush up...

Didier 

> -----Original Message-----
> From: time-nuts-bounces at febo.com 
> [mailto:time-nuts-bounces at febo.com] On Behalf Of Steve Rooke
> Sent: Sunday, June 13, 2010 5:17 AM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] Advantages & Disadvantages of the TPLL Method
> 
> Didier
> 
> On 13 June 2010 21:51, Didier Juges <didier at cox.net> wrote:
> > Tom,
> >
> > I took the liberty of converting your post into an entry in my 
> > Time-Nuts
> > Wiki:
> > 
> http://www.ko4bb.com/dokuwiki/doku.php?id=precision_timing:phase_frequ
> > ency_m
> > easurement_methods
> 
> Just to let you know that your link got busted by a line-wrap 
> somewhere so it is not clickable and has to be cut and pasted 
> into place.
> 
> But it could be just the World hating me again :)
> 
> Cheers,
> Steve
> 
> > Please note anyone can edit this Wiki or create new pages.
> >
> > Didier
> >
> >> -----Original Message-----
> >> From: time-nuts-bounces at febo.com
> >> [mailto:time-nuts-bounces at febo.com] On Behalf Of Tom Van Baak
> >> Sent: Sunday, June 13, 2010 1:35 AM
> >> To: Discussion of precise time and frequency measurement
> >> Subject: Re: [time-nuts] Advantages & Disadvantages of the TPLL 
> >> Method
> >>
> >> Here are a couple of really good articles that describe 
> many methods 
> >> of phase/frequency measurement, including TPLL.
> >> You'll see some nice "advantage/disadvantage" lists in several of 
> >> these documents, which is why I'm posting the links.
> >>
> >> Warren & Bruce, please look at the first five documents at least.
> >> John too. Lots of TPLL info. This is all worth reading. I 
> don't know 
> >> why I didn't find some of these papers six months ago.
> >>
> >>
> >> System Phase Noise Calculation and Measurement Techniques 
> >> 
> http://www.mpdigest.com/issue/Articles/2009/sept/spectrum/Default.asp
> >> -- short article, nice summary.
> >>
> >> PN9000 Automated Phase Noise Measurement System 
> Application Note #1 
> >> http://www.aeroflex.com/ats/products/prodfiles/appnotes/12/app1.pdf
> >> -- see section 2; TPLL is section 2.2.
> >>
> >> Oscillator Phase Noise Measurements using the Phase Lock Method 
> >> http://ravoltek.net/dippa/dippa_rajala_olli.pdf
> >> -- TPLL, equations, graphs, error analysis, photos, 
> schematics, parts 
> >> list.
> >>
> >> An investigation into the phase noise of quartz crystal 
> oscillators 
> >> http://etd.sun.ac.za/bitstream/10019/337/1/BentleyB.pdf
> >> -- see chapter 4 or at least section 4.3; TPLL is 4.3.3.2.
> >>
> >> PN9000 Automated Phase Noise Measurement System 
> Application Note #2 
> >> http://smartdata.usbid.com/datasheets/usbid/2000/2000-q4/app2.pdf
> >> http://www.datasheetarchive.com/pdf/Datasheet-010/DSA00173368.pdf
> >> -- theory of operation, TPLL
> >>
> >>
> >> A General Theory of Phase Noise in Electrical Oscillators 
> >> http://www.chic.caltech.edu/Publications/general_full.PDF
> >> -- too deep for me.
> >>
> >> Phase Noise Measurement. Using the Phase Lock Technique 
> >> http://www.chem.duke.edu/~boris/datasheets/AN1639_phase_noise.pdf
> >> http://www.lansdale.com/Articles/an1639.pdf
> >> -- might be applicable.
> >>
> >> Correlation-based phase noise measurements 
> >> http://www.femto-st.fr/~rubiola/pdf-others/correl-report.pdf
> >> -- for John Miles
> >>
> >> Practical Problems Involving Phase Noise Measurements 
> >> http://tycho.usno.navy.mil/ptti/ptti2001/paper42.pdf
> >> --  also for John.
> >>
> >> /tvb
> >>
> >> _______________________________________________
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> >
> >
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> 
> 
> --
> Steve Rooke - ZL3TUV & G8KVD
> The only reason for time is so that everything doesn't happen at once.
> - Einstein
> 
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