The 63.8976MHz frequency seems to be related to the OFDM frame of the WiMAX standard that has a window of 62400 bytes and the 63.8976MHz can time WiMAX BaseStations with only powers-of-2 dividers.
On Wed, Dec 14, 2011 at 11:24 PM, paul swed <[email protected]> wrote: > Could be but as a timenut not real magical to me either. > Regards > Paul > > On Wed, Dec 14, 2011 at 5:06 PM, Javier Herrero <[email protected] > >wrote: > > > I'm begin getting curious... having already received that OCXO, and with > a > > 2nd unit arriving... I've googled the frequency and there are about a > > zillion cristals and oscillators for that frequency from a ton of > different > > manufacturers, and seems that the frequency is patented: US patent > 6282184 > > (well, I suppose that not exactly the frequency is what it is patented, > > but...): > > > > " The digitizing rate of the A-D converter 41 preferably set for this > > example to 63.8976 MHz is carefully selected, as described in detail > below, > > to eliminate the need for additional expensive and complex signal > filtering > > and shielding that would otherwise be required in the RX channelizer > banks > > 7, 8, 9 for simultaneously processing the digitized signal received by > the > > A-D converter 41 at the common digitizing rate based on their respective > > CDMA, TDMA and GSM requirements " > > > > So... this seems to be the magic about this frequency (and the reason > that > > these sellers has enough of them for sameless give them away) > > > > Regards, > > > > Javier > > > > > > El 14/12/2011 22:41, Pete Lancashire escribió: > > > >> I'd agree. If you google the frequency there is a lot of surplus out > >> there and unless > >> you building your own cell system I can't think of any use .. yet :-) > >> > >> On Wed, Dec 14, 2011 at 11:53 AM, Chuck Harris<[email protected]> > >> wrote: > >> > >>> I would say that he has a gadzillion of the OCXO's, recognizes that the > >>> frequency > >>> is useless, and would rather give them away, generating a little > >>> synthetic > >>> good will, > >>> than scrap them. > >>> > >>> -Chuck Harris > >>> > >>> > >>> Joe Leikhim wrote: > >>> > >>>> > >>>> I have been watching this thread and may have missed something. My > >>>> questions: What is > >>>> the purpose of the outboard OCXO VECTRON 63.8976Mhz? What model number > >>>> does this RB > >>>> most closely resemble? > >>>> > >>>> > >>> ______________________________**_________________ > >>> time-nuts mailing list -- [email protected] > >>> To unsubscribe, go to > >>> https://www.febo.com/cgi-bin/**mailman/listinfo/time-nuts< > 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< > 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< > 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.
