Hi Dan, I would appreciate it also. Thank you.
73, Bill, WA2DVU Cape May -----Original Message----- From: time-nuts [mailto:[email protected]] On Behalf Of Alexander Pummer Sent: Monday, August 03, 2015 8:14 PM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] HP10811 dual oven Hi Dan, I would be interested on that document too Thank you in advance 73 KJ6UHN Alex On 8/3/2015 12:40 PM, Dan Kemppainen wrote: > Hi, > > If you search the internet, you should come across a design by Warren > S. It's basically the same type of oven controller that is used in the > internal oven for that oscillator. > > I did a surface mount version of his design a while back. I've been > running it for quite a while now. IMO it is helping to reduce the > thermal drift of the oscillator. > > Bob has pointed out in the past that the outer oven was not intended > to be active all of the time. This is probably true. That said it > seems to help in my setup. > > If you are unable to find the documentation, please let me know. I can > try to dig it up when I get home. > > Dan > > > > > On 8/3/2015 12:00 PM, [email protected] wrote: >> >> Hi >> >> The “external” heater on the Z3801 OCXO is only needed if you are >> regularly running below -20C in your environment. Other than the >> alarm signal, there is no harm in letting it simply shut off forever. >> >> Bob >> >>> >On Aug 2, 2015, at 8:56 AM,[email protected] wrote: >>> > >>> > >>> >Hi, >>> >I have seen, but I do not remember where, someone have rebuilt the >>> external oven controller to complete a stand alone OCXO removed from >>> an HPZ3801A. >>> >Can you hep me to find the document? >>> > >>> >Luciano >>> >timeok > _______________________________________________ > 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. --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus _______________________________________________ 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.
