DAC AD9115 with ADRF6720-27

I have implemented the DC blocking capacitor as shown on a previous post to create the level shift at 2.7V.

https://ez.analog.com/rf/f/q-a/72214/adrf6720-27-rfoutput-problem/168465#168465

I am seeing some ringing on the Vector Signal Analyzer on the burst power output.  Attached are the pictures of the VSA output and the IQ waveforms into the modulator.

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