USRP Software Radio - direct access to AD9631 Regitsers

[Shmuelm101]

Hi 

I  Use USRP E310.

I try to transmit BPSK signal (~1 Mhz), that modulate at ~1.5 Ghz.

When I analyze the signal using the spectrum analyzer,

I see only the central lobe while the other side lobes do not exist.

I tried to increase the bandwidth - using a UHD library, but it did not work.

From previous experience I know that by writing directly to the AD9361 registers, the unwanted filters can be eliminated.

I try to find out how to get direct access to AD9631 Register - But I have not succeeded yet.

Would appreciate help.
Thank you

Shmuel