Subdevice0 is the antenna A, Subdevice1 is the antenna B. You can use
both subdevice 0 and 1 at the same time on two different ddc inputs and
tune them separately. These subdevices are used as real inputs, and the
Q inputs to the ddc are set to zero.
The third possibility is to use subdevice2 which treats the antenna A
and B as a single complex input (I and Q), and connects them to the I
and Q inputs of the DDC input0. When using subdevice2, you cannot use
subdevice 0 and 1.
-Josh
On 02/21/2010 08:22 AM, Dimitrios Symeonidis wrote:
Hi Matt,
I was wondering why the BasicRX and LFRX daughterboards seem to have 3
instead of 2 subdevices? This seems to be coming from
usrp/host/lib/db_boards.cc
Thank you
Dimitrios Symeonidis
"If you think you're too small to make a difference, try sleeping with
a mosquito!" - Amnesty International
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