This is merely a historical archive of years 2008-2021, before the migration to mailman3.
A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/UmTRX@lists.osmocom.org/.
Alexander Chemeris alexander.chemeris at gmail.comOn Mon, Jul 23, 2012 at 2:17 AM, Thomas Tsou <thomastsou at gmail.com> wrote: > On Sun, Jul 22, 2012 at 3:21 PM, Alexander Chemeris > <alexander.chemeris at gmail.com> wrote: >> On Sun, Jul 22, 2012 at 10:51 PM, Thomas Tsou <thomastsou at gmail.com> wrote: >>> Overall measurements are close (either above or below) to 1.5/5 for >>> the 900 band in general. 945 MHz is currently the best case, but that >>> is the frequency I spent the most time on with calibration. Do we need >>> to be consistently below 1.5/5 or just close? >> >> Thanks for the measurements. At the end we should be below that at all >> GSM bands. For now it's fine to be close. >> >> I also noticed that your frequency is far off - could you calibrate it >> and make pictures of the best and worst case in the 900 band? > > Perhaps this is a silly question, but how do I calibrate the clock? or > use an external reference signal? Andrey Sviyazov - does ClockIn works as external input in UmTRXv1? >> And just to be sure - could you check what TCXO do you have on the >> UmTRX? It should be TCD4029-26.0M, probably marked like PLEU4030Z. > > 2600 028 > PLEU 4030Z Ok, the correct one. -- Regards, Alexander Chemeris. CEO, Fairwaves LLC / ООО УмРадио http://fairwaves.ru