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EV-RADAR-MMIC2 problem with TX signal  

Question asked by Skandenberg on Mar 28, 2018
Latest reply on Apr 10, 2018 by Brigid.Duggan

EV-RADAR-MMIC2, with output of TX channel connected to spectrum analyzer, and Vtune to oscilloscope. Software is set with default values, expect modulation is set to Sawtooth. Attached is what I observe on spectrum analyzer. What's the nature of that signal, what was it caused by? According to datasheet, spurs must be 50 dB down from carrier. Interestingly, when I change modulation to Triangular, the spectrum is clear.