[time-nuts] noise of a 5370

Geraldo Lino de Campos geraldo at decampos.net
Sat Mar 12 14:53:21 UTC 2011


Mine measure between 13 and 14 ps

Date: Sat, 12 Mar 2011 11:26:48 +0100
> From: "Jean-Louis Noel" <jln at stben.net>
> To: "Discussion of precise time and frequency measurement"
>        <time-nuts at febo.com>
> Subject: [time-nuts] noise of a 5370
> Message-ID: <2FD7B4DFC01B438A86E9675D1909BDC1 at garadm>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
>        reply-type=response
>
> Hi,
>
> I have a question for you guys.
>
> I am currently fixing a 5370B and when I check the internal noise I got
> 23.2pS I think it is a bit too much.
>
> Could you check yours noise?
>
> 1) Connect a cable between the rear panel FREQ STD OUT to front panel START
> input connector
> 2) Set the input impedances at 50 ohms
> 3) Attenuator switches at /1
> 4) AC/DC switches to DC
> 5) Input slope switches to positive (high)
> 6) Level controls to preset
> 7) START COM
> 8) display rate fully clockwise
> 9) SAMPLE SIZE 10K
> 10) STATISTICS STD DEV
>
> I got 23.2ps with 2ps unstability.
> Is that OK?
> Thanks for your help.
>
> Bye,
> Jean-Louis
>
>
>
>
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> End of time-nuts Digest, Vol 80, Issue 46
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-- 
------------------------------------
Geraldo Lino de Campos
geraldo at decampos.net


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