Mine measure between 13 and 14 ps Date: Sat, 12 Mar 2011 11:26:48 +0100 > From: "Jean-Louis Noel" <[email protected]> > To: "Discussion of precise time and frequency measurement" > <[email protected]> > Subject: [time-nuts] noise of a 5370 > Message-ID: <2FD7B4DFC01B438A86E9675D1909BDC1@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 > > > > > ------------------------------ > > _______________________________________________ > time-nuts mailing list > [email protected] > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > End of time-nuts Digest, Vol 80, Issue 46 > ***************************************** > >
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