Isn't that what Kalibrate does? http://thre.at/kalibrate/
Very Respectfully, Dan CaJacob -- This email contains sensitive proprietary and confidential information. The technical data contained herein is/may be controlled under the U.S. International Traffic in Arms Regulations (ITAR) and may not be exported to a Foreign Person, either in the U.S. or abroad, without the proper authorization by the U.S. Department of State. -- On Fri, Apr 5, 2013 at 5:53 PM, Sylvain Munaut <[email protected]> wrote: > Hi, > > > > Neat idea! Presumably he just tapped the (buffered?) output of the > VCTCXO on > > the phone which has is being actively steered by the phones operation, > and > > Exactly. > > > > I'm guessing the breadboard is a fractional-N PLL to get it to the > frequency > > needed to replace the existing RTL_SDR clock. > > Yes. Although it's actually possible to feed the 26 MHz to the E4000 > only (and leave the 28.8MHz xtal for the RTL). > This way, no need for PLL. > > > > Not exactly durable though. Plus you now have an active cellphone next to > > your SDR… > > The phone was running a RX only firmware in that picture. > > > Cheers, > > Sylvain > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >
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