I am sorry, but I can't follow the circuit diagram. It is not clear to me what pins are joined, and what are not. Sometimes you have used a filled circle to indicate lines are joined, and in another case there's a semicircle to indicate that they are not. But on some of the others, I don't know what are supposed to be joined and what are not.
Dave On 19 Oct 2014 01:00, "S. Jackson via time-nuts" <[email protected]> wrote: > Dave, et.al., > > upon popular request I put together a PDF of my email describing how I > generated a low-phase-noise 10MHz output from the CMOS 20MHz output of the > LTE-Lite GPSDO. Here it is. > > No guarantees whatsoever guys, and it does take good equipment, a very > steady hand, and a lot of experience to put this together and make it work > properly. > > This design can work up to 145MHz according to the 74LVX74 datasheet if > powered at 3.3V. > > bye, > Said > > > In a message dated 10/18/2014 14:09:54 Pacific Daylight Time, > [email protected] writes: > > Hi, Said. > > I would be interested in having a copy of your "app-note", if that is > possible. I'd like to purchase one of the GPSDOs, but will need to wait > for amonth or so. > > Thanks. > > Cheers, > DaveD > > On 10/18/2014 12:19 PM, S. Jackson via time-nuts wrote: > > Hi guys, > > > > lots of questions, let me try to answer some of these. Bob, David, et. > al, > > thanks for answering some of these already! > > > > Dave, as Bob said "it depends on your application" -- and your time > frame. > > Also, please check the FAQ for an answer on the external TCXO > requirement, > > specifically item 35. in the FAQ on the Ebay website for the product. > > > > Jim, I ended up doing the "appnote" in email format, and sending out a > > description, schematics, PN plot, and photos yesterday, please check > your > > emails. I won't do a formal appnote, sorry no time.. I hope the > description of > > what I wired-up yesterday is good enough for folks to try the same. > > > > Ernie, as mentioned here the price is $185 plus shipping on Ebay for the > > entire kit. Shipping is calculated by Ebay, and should be a flat-rate > of $10 > > in the continental US > > > > Hal, MY BAD!! I should have known better and super-imposed both the > > original 20MHz and 10MHz plots on the same plot. I will do so shortly. > On the > > table in the plot: the TimePod tries to determine spurs, and display > them on > > the upper right hand of the plot in a table, and with the phase noise > being > > as clean as it is I guess the TimePod software could only find two > spurs, > > one at 0.8 and one at 0.9Hz offset from carrier, which was not even > shown in > > that plot since it starts at 1Hz. > > > > Thanks so much for your feedback, lively discussion, and good questions > > guys. > > > > I hope that answers all questions, > > bye, > > Said > > > > > > _______________________________________________ > 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.
