[time-nuts] Phase noise test set reference articles
Magnus Danielson
magnus at rubidium.dyndns.org
Tue Mar 29 23:27:32 UTC 2016
You should add some of the NIST writings on cross-correlation, both
traditional and newer. In particular, the more recent papers describe
the newly discovered danger of cross-correlation which currently is an
open research field. Cross-correlation can give over-optimistic values.
Never the less, the cross-correlation technique is very useful.
Cheers,
Magnus
On 03/29/2016 04:53 PM, Charles Steinmetz wrote:
> Since there seems to be some interest in DIY phase noise test sets, I
> put together the following list of references relevant to such a
> project, with some comments. I have a ZIP file of these items (about
> 35MB), but so far have been unsuccessful in uploading it to Didier's
> site. If anyone has suggestions for hosting it, please let me know
> *offlist*.
>
> For those who are in a rush, most of these should be easy to find on the
> web with a search engine (but note that my file names are often not the
> exact paper titles, so don't make your searches too literal).
>
> Note that the "dual source" quadrature method is not the only practical
> way to make sensitive phase noise measurements. Interested DIY-ers
> should also look at the "delay line discriminator" method. It is
> substantially simpler, although its ultimate noise floor is typically
> not as good as the "dual source" method. But it may well be good
> enough, depending on the PN of the oscillators you are measuring.
>
> (1) Correlation_based_PN_measurements_RUBIOLA_2000: Describes a system
> for making interferometer-based PN measurements, for a lower noise floor.
>
> (2) HP_AN150-4_SA_noise_measurements_1974 [see especially pp. 19-25]:
> A good introduction to using a spectrum analyzer to characterize the
> phase noise of oscillators.
>
> (3) HP_AN246-2_PN_measurement_with_HP_3585A: A good introduction to
> the advantages and limitations of using a spectrum analyzer to
> characterize the phase noise of oscillators. For those fortunate enough
> to own an HP 3585A or B, this reference provides much useful information
> about using this particular instrument.
>
> (4) HP_art_of_phase_noise_measurement_SCHERER_1985: An excellent
> introduction to the subject. Explains the operation, advantages, and
> disadvantages of the "dual source" and "delay line discriminator" methods.
>
> (5) HP_Phase_Noise_Measurement_Techniques_2000: More detailed
> treatment than the Scherer 1985 reference, including direct PN
> measurements with SAs, as well as the "dual source" and "delay line
> discriminator" methods. Provides specific sensitivity/noise floor
> information about various HP instruments.
>
> (6) HP_phase_noise_seminar_1985: Even more detail than the two
> references above. Discusses four different measurement methods in
> substantial detail and provides specific sensitivity/noise floor
> information about various HP instruments.
>
> (7) Low_cost_phase_noise_measurement_Wenzel: Describes a practical,
> low-cost "dual source" PN measurement system, with links to schematics
> of the building blocks. Provides useful insight into calibration.
>
> (8) Measurement_of_frequency_PN_AM_noise_WALLS_NIST: More theoretical
> treatment, discussing five PN measurement systems.
>
> (9) Phase_and_AM_noise_measurement_in_frequency_domain_LANCE_etal_1984:
> Another theoretical treatment of both dual source and single source
> measurement methods, including a dual delay line system to improve the
> noise floor.
>
> (10) Phase_detector_with_low_flicker_noise_BARNES_etal_NIST_2011:
> Describes a DIY double-balanced mixer phase detector using
> diode-connected 2N2222 transistors. [Note that only the flicker noise
> is improved -- the white noise floor is actually significantly higher
> than with DBMs using diodes. NB: There are much better transistors than
> the 2N2222 for this application.]
>
> (11)
> Phase_Noise_Measurement_Using_Phase_Lock_Technique_Motorola_AN1639_1999:
> A good general treatment of the "dual source" quadrature method,
> including insights into avoiding a number of sources of error.
>
> (12/13/14)
> Phase_noise_measurement_with_amateur_instruments_2010_(Italian) [and
> English translations]: Slides from a presentation by Eraldo Sbarbati,
> I4SBX (SK) to Italian hams. Practical orientation.
>
> (15) Phase_Noise_Measurements_NELSON_NIST_2011: Slides from a
> conference presentation. More a discussion of the finer points of PN
> measurements, less about the basics.
>
> Oops, missed one:
>
> (16) DEMPHANO_phase_noise_measurement_fixture_MAKHINSON_CQ_1999: DIY
> construction article for a "dual source" quadrature test fixture that
> the author uses as a front end for an HP 3585A spectrum analyzer.
>
> Best regards,
>
> Charles
>
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