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FMCOMMS1 Start-up Signal Issue

Question asked by Muhammet on Oct 23, 2015
Latest reply on Nov 30, 2015 by charlyelkhoury



I use FMCOMMS1 with KC705. I use reference FPGA design and drivers (C codes) without out any problem. But, During initialization of the FMCOMMS1 a single tone signal is generated. I set the DAC data format as twos complement and I send DAC 0s in both channel. But the signal stays at the ADF4351 frequency.


What should I do to avoid from this signal?