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HMC734 VTUNE Drive Recommendations

Question asked by Ivan-Rusov Employee on Aug 26, 2015
Latest reply on Sep 3, 2015 by MRichardson

Hi,

 

HMC734 has 4 mA sink capability at VTUNE input. When HMC734 is driven by PLL with passive loop filter it is not stable and fall periodically. When HMC734 is driven by active loop filter increased phase noise is observed.

 

How could I drive HMC734 without any falls and maintaining low phase noise simultaneously?

 

Regards,

Ivan

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