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PLL ADF5610 Phase Noise query

Pathu
on Jul 17, 2020

Hi,

In ADF5610 PLL datasheet phase noise graph showing -104dBc/Hz at 10kHz offset for output freq 14.4GHz but in marker same data was measured as -107dBc/Hz.

So I simulated it using ADISIMPLL tool, here it was showing -99dBc/Hz for 14.4GHz at 10KHz offset. I attached simulation file also.

Kindly clarify which one is correct.