Hi All,
I've tried the following simple experiment with my brand new X310 (UBX-160
daughterboards):
GRC Signal Source -->> Throttle -->> DMA FIFO
-->> USRP Radio
I assigned ZERO AMPLITUDE to the signal source, USRP had central frequency
of 1.5 [GHz] and gain of 20. Although the amplitude assigned was 0, I
received a strong signal (-32[db]) at the center frequency in a spectrum
analyzer. This unexpected energy is very bothersome and corrupts results of
other applications of mine.
Does anyone know what's going on and how can I prevent it?
Thanks,
Steve
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