LMS TxLO noise

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.com
Sun Jul 22 04:59:53 UTC 2012


On Sun, Jul 22, 2012 at 6:40 AM, Thomas Tsou <thomastsou at gmail.com> wrote:
> On Sat, Jul 21, 2012 at 5:57 PM, Alexander Chemeris
> <alexander.chemeris at gmail.com> wrote:
>> I've started documenting this at the wiki:
>> http://code.google.com/p/umtrx/wiki/LMS6002DCalibration#Tx_I/Q_balance_calibration
>> Is that a good enough description for you?
>
> Added:
>
> - IQ balance correction
> - Laurent C1 pulse
>
> We are below the target threshold.

Great achievement!
Is it consistent over the whole 900 band, i.e. is that the worst case?

I guess in 1800 band we're above the threshold yet. Could you measure
by how much we're off there?

-- 
Regards,
Alexander Chemeris.
CEO, Fairwaves LLC / ООО УмРадио
http://fairwaves.ru




More information about the UmTRX mailing list