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HMC960 stability issues

Question asked by BJS on Jun 13, 2017
Latest reply on Oct 13, 2017 by jdobler

Hi, the attached file is my schematic. 

As a result, the output voltage of HMC960 is unstable. The amplitude of the output voltage waveform has become larger and smaller. The Iq of HMC960 fluctuates at 30mA, and the output port is open. I am wondering if it is a soldering problem of the IC package or a problem of the evaluation schematic.