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
>
_______________________________________________
Discuss-gnuradio mailing list
[email protected]
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Reply via email to