Dave, Thanks for the link. That looks useful.
Joe Gray W5JG On Sat, Nov 24, 2012 at 4:39 PM, Dave G4FRE <[email protected]> wrote: > I had a similar requirement a couple of years back. I ended up using a $10 > VCXO, and a $20 Jupiter GPS. The circuit used was the one on page 12 of > http://g4jnt.com/DDSVHFBeaconDriver.pdf by G4JNT. It just scraped in under > $50 > > Dave > > Ww2r > > Message: 4 > Date: Sat, 24 Nov 2012 09:01:25 -0700 > From: Joseph Gray <[email protected]> > To: Discussion of precise time and frequency measurement > <[email protected]> > Subject: Re: [time-nuts] 12.8 MHz OCXO > Message-ID: > <CAF7oPz2tiZTtqnmrp+xarCTowiJ==yqcgwk1_ebnozfdvna...@mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > Mike, > > Surprisingly, it isn' as uncommon as I first thought. The problem > seems to be the cost, however. If I can't find something within my > budget, I'll have to improvise. > > Joe Gray > W5JG > > On Sat, Nov 24, 2012 at 1:53 AM, mike cook <[email protected]> wrote: >> >> Le 24 nov. 2012 ? 09:26, Joseph Gray a ?crit : >> >>> Can anyone recommend an inexpensive 12.8 MHz OCXO that outputs a sine >>> wave? I've looked online, but the only ones I find costs hundreds of >>> dollars. Anything 0.25 ppm or better is fine. A Vcc of 5-13.8 VDC >>> preferred. >>> >> An uncommon OCXO freq. If it is for hobby use, I would suggest using a > more common quality reference and locking a cheap 12.8 vcxo / vctcxo to it > with a pll. >>> Joe Gray >>> W5JG > > > > _______________________________________________ > 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.
