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Matlab System Object vs IIO Scope

Question asked by niba on Jun 18, 2018
Latest reply on Jul 18, 2018 by travisfcollins

I am using fmcomms5 board with zynq zc706 when I transmit a signal on IIO Scope app dac buffer option I get the attachment dac picture in the spectrum analyzer but when I transmit a signal using hil examples on matlab I get matlab picture attachement .When I use matlab I cant get a continous power level on spectrum analyzer for example if my lo 100 Mhz I get my signal between 95-105 Mhz but at some points I get high power at 90MHz what may be the reason of that ? ,I did not make any calibration on matlab do I need to make ensm mode or calibration mode changements ? I have been trying to solve this problem for a long time and I really need help