[time-nuts] HP3325B as LO for a transceiver or receiver? Phase noise?

[Mark Goldberg]

I have done a study of how good it needs to be on my website:

https://sites.google.com/site/markstcxomeasurements/

Regards,

Mark


On Tue, Jan 1, 2019 at 2:34 PM Artek Manuals <Manuals at artekmanuals.com>
wrote:

> The question that remains begging here from the original post (maybe off
> topic ?) is how low a phase noise does he really NEED in this
> application? We here at time-nuts tend to think in the 10e-12 minutia
> area, but In this application ( a HF Communications receiver) the 3325B
> may be "good enough" that PN wont really be an issue as a practical
> matter. Don't see who the original poster is from this snippet but a
> possible better place to get a "practical" answer might be over on the
> EEVBlog?
>
> Dave
> manuals at artekmanuals.com
>
>
> On 1/1/2019 3:38 PM, Brooke Clarke wrote:
> > Hi Chris:
> >
> > The HP 8648 Signal Generator was developed to have low phase noise
> > that was needed for testing pagers.
> > See second table of SSB Phase Noise at:
> > https://prc68.com/I/HP8648.shtml
> >
> > --
> > Have Fun,
> >
> > Brooke Clarke
> > https://www.PRC68.com
> > http://www.end2partygovernment.com/2012Issues.html
> > axioms:
> > 1. The extent to which you can fix or improve something will be
> > limited by how well you understand how it works.
> > 2. Everybody, with no exceptions, holds false beliefs.
> >
> > -------- Original Message --------
> >>
> >>    01/01/2019 14:22
> >>
> >> Could I use my HP3325B locked to a Trimble Thunderbolt GPS disciplined
> >> 10MHz oscillator as the master LO of my Kenwood TS-590S transceiver
> >> that has a LO at 15.6 MHz, or is the phase noise too great? My VK3HZ
> >> gps disciplened LO replacement died recently, I may be able to repair
> >> it but as they are no longer available I am looking at alternatives to
> >> achieve a very stable frequency. Thanks
> >>
> >> https://www.febo.com/pages/hp3325b/
> >>
> >> http://www.vk3hz.net/XRef/XRef_Home.html
> >>
>
> --
> Dave
> Manuals at ArtekManuals.com
> www.ArtekManuals.com
>
>
> ---
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