[Discuss-gnuradio] Re: USRP2 transmitter spectrum measurements

[Jamin Chan]

Ulrika Uppman wrote:
> Hi everyone!
> 
> When transmitting with the USRP2 and the RFX400 daughterboard, we get a 
> very significant frequency spike at the tuned center frequency. The 
> level of the spike is almost as high as the signal level, and it will 
> appear even when transmitting a 0-amplitude sine wave signal. Does 
> anyone know if this is some LO leakage or what this effects are caused 
> by?
> 
> Regards
> //Ulrika and Patrik

I am having this same problem, I am using Flex400 board
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