Look on Didier's site or TvB's and you should find the hack that turns the 5680A into a variable output frequency device; there's a DDS with an rs232 interface. All is not lost? Don L
Volker Esper > > Am 25.11.2012 18:29, schrieb James Peroulas: >>> Message: 3 >>> Date: Sat, 24 Nov 2012 11:10:02 -0600 >>> From: Ed Palmer<[email protected]> >>> To: Discussion of precise time and frequency measurement >>> <[email protected]> >>> Subject: Re: [time-nuts] FE-5680A no 10MHz RF output? >>> Message-ID:<[email protected]> >>> Content-Type: text/plain; charset=windows-1252; format=flowed >>> >>> I have a similar unit that I picked up a few years ago. It only has >>> a 1 >>> PPS output. That's the way it was designed. There are so many >>> different versions of this stupid model that it's impossible to be >>> sure >>> what you're buying until you get it on your bench. >>> >>> If yours is like mine, the DDS is putting out 2^23 Hz (~8.39 MHz) >>> which >>> then goes through a fixed divider to 1 Hz. You can access the 8 MHz >>> signal via a tiny socket on the DDS board. There is info online on >>> how >>> to modify the unit to bring that signal out to a connector and >>> program >>> it for other frequencies. If you change the frequency, the 1 PPS >>> also >>> changes frequency. >>> >>> Ed >>> >> >> Ugh... Hopefully he'll let me return it. This is the first time I've >> bought >> an $80 item from China and I've been burned :( >> >> JP >> > > If this is so, it has to be a very unfortunate mischance. I've been > trading with China numerous times, there was nothing to fault on. > > Cheers > > Volker > > > > _______________________________________________ > 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. > -- "Neither the voice of authority nor the weight of reason and argument are as significant as experiment, for thence comes quiet to the mind." De Erroribus Medicorum, R. Bacon, 13th century. "If you don't know what it is, don't poke it." Ghost in the Shell Dr. Don Latham AJ7LL Six Mile Systems LLP 17850 Six Mile Road POB 134 Huson, MT, 59846 VOX 406-626-4304 www.lightningforensics.com www.sixmilesystems.com _______________________________________________ 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.
