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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