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Re: [Discuss-gnuradio] libusrp2 tuning method
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] libusrp2 tuning method |
Date: |
Tue, 8 Sep 2009 12:02:12 -0700 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
On Mon, Sep 07, 2009 at 06:53:46AM +0200, Vincenzo Pellegrini wrote:
> Hi everybody,
> Just a very quick question: I'm developing a simple interface to usrp2
> directly using libusrp2.
> I'm calling the set _center_freq method and I'm having the same frequency
> offset problems (dxc not set) that you have with usrp1 when you don't use
> the u.tune() method.
>
> Problem is I could not find any similar method within libusrp2. Just could
> identify the set _center_freq one.
> Can anyone provide a pointer?
>
> Thanks and best regards
>
> vincenzo :-)
Just call set_rx_center_freq and/or set_tx_center_freq.
It sets both the LO and DDC/DUC.
Do not call set_rx_lo_offset and/or set_tx_lo_offset.
Eric