Hello, The Wavecrest DTS uses a large airflow to keep temperature >differences< small enough for low tempco in the interpolators. This can also be the case for the hp5370, thus be carefull.
henk > Hello Pierre-François > A point of personal interest in your email - - The noise of the fan in > the > 5070B, this would appear to be a problem with a number of the older items > of > Hewlett Packard, and other manufacturers. > The items are usually fitted with a Papst fan,with a high throughput of > air > running from the power line. Has anybody tried to replace these fans with > a > more modern type (12/24 volt). I'm sure the designers were being very > proper, but I cannot believe that a counter should require such a large > volume of air moving through it ? I have an EIP 545 Counter and an HP > 5335A > which both have Papst fans and are very noisy > Any ideas on this. > Roy > > ----- Original Message ----- > From: "Pierre-François (f5bqp_pfm)" <[email protected]> > To: <[email protected]> > Sent: Wednesday, May 20, 2009 9:54 AM > Subject: [time-nuts] 5070B once more.... > > >> Hi The Gang, >> >> I've revitalized my 5070B I got few years ago and since a week or two it >> has seen again passing into it few electrons after so long... lol... >> Now I'm wondering which software I could use to grab data from it to the >> PC and then to analyze the buffers to see the stability of my rubidium >> source synchronised with the 1pps coming from the GPS. >> I've on a dedicated PC (XP) a GPIB/USB adapter for this application. >> Could >> you tell me which sw I could use to do this? >> I want to avoid to reivent the wheel by writing another piece of >> software. >> >> The 5070 (A or B) is really a great piece of hardware, I love it, exept >> its noisy fan... >> >> Very good idea to invite Dave Chu to join the group, I'm sure his heart >> will vibrate to see that his baby is still alive for a very long time... >> ;-)) >> >> Best 73's to all of you. >> pf, F5BQP >> >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
