Hi Keep in mind that these things make a pretty awful 10 MHz standard. They are spur monsters in a big way. They won't drive your counter nuts, but for anything that wants signal purity - watch out.
Bob On Sep 17, 2013, at 8:14 PM, Bob Stewart <[email protected]> wrote: > Hi Bob, > > Yeah, I figured that retuning it would lose the 1PPS. No biggie. There are > a number of those little connectors in this device, and the two that have > cables connected use a flat 90 degree connector with a coax that's a bit > smaller than RG-174. I just want to snap a pigtail on it and lead it out > through a notch in the cover where the DB-9 connector is. There are several > examples on the web where people solder wires to the connector and to the > RS-232 header. I'd just as soon avoid soldering wires if I can. > > Bob > > > > > >> ________________________________ >> From: Bob Camp <[email protected]> >> To: Discussion of precise time and frequency measurement >> <[email protected]> >> Sent: Tuesday, September 17, 2013 7:06 PM >> Subject: Re: [time-nuts] My FE-5680A Came In Today >> >> >> Hi >> >> If you retune it, you probably will throw off the pps. The pps drive >> strength is a bit weak, so you need to be careful looking for it. On some >> units there is a software command to enable / disable it (as in pps only >> when warmed up and locked - like a gps). The can / cover on the unit is mu >> metal (Rb's are mag sensitive). If you drill a hole in it, you are likely to >> impact it's mag shielding properties. >> >> Bob >> >> >> On Sep 17, 2013, at 6:21 PM, Bob Stewart <[email protected]> wrote: >> >>> My FE-5680A Rb standard came in today. After the usual inspections etc, I >>> fired it up and I have the purple haze. The native output is 8.38860798/9 >>> (last digit jitter) as read on my 5335A using my GPSDO as an external >>> standard. I've got a ways to go before it's all setup, but this is looking >>> good. Does it warmup and change frequency at all, or can I retune it to >>> 10MHz and use it as a reference without any further ado? >>> >>> Can someone tell me what type of socket that is where you tap off the RF? >>> It looks sort of like a uFL connector, but a bit bigger. I'd rather avoid >>> hacking and soldering on this if I can. >>> >>> Bob - AE6RV >>> _______________________________________________ >>> 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. _______________________________________________ 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.
