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Matlab System Object vs IIO Scope

Question asked by niba on Jun 12, 2018
Latest reply on Aug 9, 2018 by travisfcollins

Hi I am trying to generate lfm signal when I use dac buffer option of iio scope I get the attcehment dac picture and which is I want to get  but when I use matlab system object I use same sample rate lo freq settings and I get my signal using from the workspace block of simulink and I get the attachment matlab picture what may be reason of the signal does not have a continous power level and also my lo freq is 100mhz and rf bw is 10 mhz beside of that I see a high power near 90 Mhz