Ooops. Rich
On Thu, Mar 3, 2016 at 8:35 PM, Marcus D. Leech <[email protected]> wrote: > On 03/03/2016 11:30 PM, Ian Buckley wrote: > > errrrr 0.8mS is 1250Hz..... > > We were told there'd be no arithmetic.... > > > > > On Thu, Mar 3, 2016 at 6:30 PM, Richard Bell <[email protected]> > wrote: > >> I see thanks. My BW is several hundred MHz wide, so no all DSP tuning for >> me. >> >> Rich >> >> On Thu, Mar 3, 2016 at 5:57 PM, Derek Kozel <[email protected]> >> wrote: >> >>> Also if your frequency hopping is within the analog bandwidth of the >>> radio you may be able to use DSP tuning, which has almost instantaneous >>> reactions. >>> >>> >>> On Thu, Mar 3, 2016 at 5:39 PM, Marcus D. Leech <[email protected]> >>> wrote: >>> >>>> On 03/03/2016 08:35 PM, Richard Bell wrote: >>>> >>>>> I was reading in a separate thread that soon to be released UHD code >>>>> will allow lock times on the order of 0.8 ms. Does this mean the fastest >>>>> we >>>>> should expect to get a frequency hopping radio to work is at a hop rate of >>>>> 1/0.008 = 125 Hz? >>>>> >>>>> Thanks, >>>>> Rich >>>>> >>>>> With that particular radio, yes. >>>> >>>> That was for the B2xx series and E3xx series, which are based on the >>>> AD9361/AD9364 chips, which were never really designed for >>>> fast frequency-hopping applications. >>>> >>>> The other RF cards, like WBX, SBX, CBX have faster PLL synthesizers, so >>>> faster hopping is possible, although there are host-to-radio >>>> transaction times to consider as well. >>>> >>>> >>>> >>>> _______________________________________________ >>>> 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 >>> >>> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> [email protected] >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> > > > _______________________________________________ > Discuss-gnuradio mailing > [email protected]https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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