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Spectrum display not operational when using 2016_R2 Linux image release

Question asked by beamer.ce1 on Apr 3, 2018
Latest reply on Apr 3, 2018 by travisfcollins


I'm using a PicoZed board (ADRV9361-Z7035) mounted on an FMC carrier card (AES-PZSDR2CC-FMC-G) and booting the PicoZed with the 2016_R2 release of the Linux image.

The PicoZed successfully boots on the FMC carrier card and automatically generates a display out the on-board HDMI video output that shows the desktop with IIO Oscilloscope running.  I'm also able to run all the IIO Oscope features except for the Spectrum Analyzer.  When I hit the "Start Sweep" button the display ocassionally fills half of the spectrum display but most of the time is remains blank and nothing is displayed.

However, if I load the 2017_R1 release of the linux image using this same hardware platform (PicoZed Z7035 + FMC Carrier board), the spectrum analyzer feature (and all the other features) works just fine.

Is there any known issues with the 2016_R2 release that might explain why the Spectrum Analyzer feature isn't working?

Any feedback would be appreciated.

- Brad