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Burst modulation around carrier using EV-ADF4159EB1Z

Question asked by aidos on Oct 4, 2017
Latest reply on Oct 13, 2017 by aidos


I used the Evaluation/Development System EV-ADF4159EB1Z to evaluate the component ADF4159.

I could use this ADF4159 in the realization of a FMCW radar.

Using the default values, without any modulation ,I saw the picture in the attachment on the spectrum analyzer ANRITSU MS2725C in burst mode acquisition. I see it as a modulation burst around the carrier.

Then I tried to set a fsk modulation but I did not get any results.

I only managed to change the carrier frequency.

My question : what I saw is it correct or the evaluation board is not working properly?.


Pier Giorgio