You can get the gain capabilities with the shell command:
uhd_usrp_probe
Setting a specific power output is not possible unless you calibrate
with an external measuring device like a spectrum analyzer. However,
once you are calibrated, the internal attenuator is pretty accurate.
Ron
On 1/24/20 00:50, massoud pourmandi via USRP-users wrote:
Dear colleagues,
Let’s set the sinusoidal signal with amplitude =1 and set gain values
for USRP Sink and USRP source 10 and 20.
First: what are the upper limits and lower limits of gain value? (I
just blindly set a number to it).
Second: what is the relation between output power and amplitude. For
example, how can I set the parameters for a specific power?
The schematic is attached.
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