The potatochips are quite excelent high speed devices, and by selling them on e-bay, they make it avaible to us who are not able to go through the normal supplier chains.
Br. Thomas. 2014-10-19 2:48 GMT+02:00 Tom Miller <tmiller11...@verizon.net>: > This looks pretty interesting: > 74G series PO74G74 > > http://www.ebay.com/itm/330551715157?_trksid=p2060778. > m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT#ht_411wt_664 > > 600+ MHz cmos 3.5 volt > > Tom > > > ----- Original Message ----- From: "S. Jackson via time-nuts" < > time-nuts@febo.com> > To: <kc0...@gmail.com>; <time-nuts@febo.com> > Sent: Saturday, October 18, 2014 5:40 PM > Subject: Re: [time-nuts] LTE-Lite module > > > > 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, >> kc0...@gmail.com 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 -- time-nuts@febo.com >> To unsubscribe, go to https://www.febo.com/cgi-bin/ >> mailman/listinfo/time-nuts >> and follow the instructions there. >> >> > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. > -- Please avoid sending me Word or PowerPoint attachments. See <http://www.gnu.org/philosophy/no-word-attachments.html> PDF is an better alternative and there are always LaTeX! _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.