No trasnmit signal

Hi

I am having trouble with transmiting from a Basic TX daughterboard (it’s
the only one I have for the time being). I’ve tried connecting an
oscilloscope to the output while running siggen.py, but there is no
signal coming out. Also, I notice a continuous stream of ‘usrp underrun’
messages. Has anyone experienced a similar problem, or know what a
possible solution may be?

Regards

Lance

On Tue, Oct 17, 2006 at 01:50:51PM -0700, seph 004 wrote:

Hi

I am having trouble with transmiting from a Basic TX daughterboard
(it’s the only one I have for the time being). I’ve tried connecting
an oscilloscope to the output while running siggen.py, but there is
no signal coming out.

The peak output level is pretty low on the Basic Tx…
I don’t recall what it is off the top of my head.

Also, I notice a continuous stream of ‘usrp
underrun’ messages. Has anyone experienced a similar problem, or
know what a possible solution may be?

Use a higher interpolation rate. try the --help option to
usrp_siggen.py

Eric

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