Re: [Discuss-gnuradio] dc offset is different from unit to unit

[James Jordan]

Hi John,
Thanks. But how to deal with rx dc offset?

On 6/2/12, John Malsbury <address@hidden> wrote:
> James,
>
> In the case of DC calibration for tx, we'd recommend running the dc
> calibration routines provided with UHD for each unit.  The cal routines
> make it a relatively easy process.
>
> In theory, if the average DC offset is non-zero you may be able to apply
> an average correction and see some improvement - but less than a
> per-unit calibration.  I don't have have any data on hand for an average
> DC offset.
>
> I'm cross-posting to the usrp-users list, which is more oriented to USRP
> specific questions.
>
> Best Regards
> John Malsbury
>
>
>
> On 6/1/2012 8:57 PM, James Jordan wrote:
>> Hi list,
>> I need to compensate usrp dc offset. but the dc offset is different
>> from unit to unit. so do I need to calibrate each unit dc offset or
>> there is a universal value that work
>> for each unit?
>>
>> Regards
>>
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>
>
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