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Re: [Discuss-gnuradio] [USRP-users] Spikes in b210 received data

From: Tom Tsou
Subject: Re: [Discuss-gnuradio] [USRP-users] Spikes in b210 received data
Date: Wed, 25 Mar 2015 10:50:49 -0700

On Tue, Mar 24, 2015 at 11:07 PM, Arjun Nadh <address@hidden> wrote:
> Thank you, Tom
> That fixes the problem.

Great. Thanks for testing.

Upcoming UHD and gr-uhd changes will expose more of the AD9361
functionality, which will allow user control of calibration and
filters without having to patch UHD. We're also looking into better
tuning of the calibration tracking to avoid such signal oddities.


> On Wed, Mar 25, 2015 at 1:47 AM, Tom Tsou <address@hidden> wrote:
>> Hi Arjun,
>> Can you try the attached patch against UHD master and see if you see
>> the same effects?
>> We've seen various cases of similar, though not exact, behavior on
>> B200. Rx quadrature tracking is the usual cause, which this patch
>> disables.
>>   -TT

Attachment: 0001-ad9361-Disable-IQ-tracking.patch
Description: Text Data

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