[time-nuts] Re: PN2060A Phase Noise Analyzer

[Bob Camp]

Hi

The data I saw suggested that you hit -170 at 100 hz and -180 further removed in 40 minutes.
Close in, they got to around -125 dbc at 1 Hz. All of this is averaged data with (I assume) the 
same signal into both ports. The lumps / bumps and spikes came in well above these levels. 

Bob

> On Jul 14, 2023, at 5:59 PM, Ed Marciniak <ed at nb0m.org> wrote:
> 
> -170dbc at what offset from the carrier in 40 minutes?
> From: Bob Camp via time-nuts <time-nuts at lists.febo.com>
> Sent: Wednesday, July 12, 2023 12:47:09 PM
> To: Discussion of precise time and frequency measurement <time-nuts at lists.febo.com>
> Cc: drew wollin <drew_wollin at hotmail.com>; Bob Camp <kb8tq at n1k.org>
> Subject: [time-nuts] Re: PN2060A Phase Noise Analyzer
>  
> Hi
> 
> Based on what I can see, this is very much “early days” for this device. 40 minutes to get
> to -170 dbc and no real ADEV info both would be gotcha’s to me. That all could change / 
> might change / may have already changed. 
> 
> I’d wait a couple months and see how it looks after they spend a bit more time working
> things out. 
> 
> Bob
> 
> > On Jul 11, 2023, at 3:43 AM, drew wollin via time-nuts <time-nuts at lists.febo.com> wrote:
> > 
> > Hi All.
> > 
> > I am a lurker on the list, so my first post.
> > 
> > With the discussion on phase noise, I have been looking around for a way to measure it on an amateur budget.
> > 
> > I came across the PN2060A Phase Noise Analyzer, a low-cost, US$480, Chinese analyser that uses cross-correlation of two reference oscillators and then computer analysis. The author answers email and seems keen.
> > 
> > It seems pretty good and works the same way as modern phase noise analysers.
> > 
> > Has anyone tried it?
> > 
> > There is a discussion on eevblog about it.
> > 
> > Regards Drew VK4ZXI
> > 
> > https://www.qsl.net/bg6khc/
> > 
> > https://www.eevblog.com/forum/testgear/phase-noise-analyzer-and-phase-noise-measurement/
> > phase noise analyzer and phase noise measurement - Page 1<https://www.eevblog.com/forum/testgear/phase-noise-analyzer-and-phase-noise-measurement/>
> > phase noise analyzer and phase noise measurement - Page 1
> > www.eevblog.com <http://www.eevblog.com/>
> > 
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