[USRP-users] B2x0 and automatic DC-offset removal

Daniel Malafaia dmalafaia at gmail.com
Wed Sep 17 13:49:54 EDT 2014


Any other way instead of the offset tunning? I tested the set_rx_dc_offset()
but it doesn't work on B200,
UHD Warning:
    Setting DC offset is not possible on this device.

Best Regards.


2014-09-17 14:43 GMT+01:00 Marcus Müller <usrp-users at lists.ettus.com>:

>  You can just use offset tuning, by using an instance of tune_request_t
> with a RF frequency that is away from your signal and let the B200
> digitally tune there.
> Also, see the set_rx_dc_offset() method of multi_usrp.
>
> Greetings,
> Marcus
>
> On 17.09.2014 13:31, Daniel Malafaia via USRP-users wrote:
>
> Hi,
>
>  I'm using a B200 to receive a sine wave that is very near DC, but the
> signal that I'm receiving is not showing it for low power and for higher
> power at the TX the receiver saturates. This looks like it may be a problem
> caused by an automatic DC-offset removal algorithm. It there any way to
> disable it?
>
> Best Regards.
>
>
>
>
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