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

Bruce Griffiths bruce.griffiths at xtra.co.nz
Sun Jun 13 03:29:18 EDT 2010


All of these are in my collection of papers that I have read.

Bruce

Tom Van Baak wrote:
> 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.
>
A fairly easy paper to read and one of a series by Ali Hajimiri, but one 
should also read papers gexpressing contrary views on cyclostationary 
noise etc.


> 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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>
Bruce





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