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HMC783LP6C Crystal Oscilator

Question asked by hmgps on Sep 16, 2015
Latest reply on Sep 17, 2015 by hmgps



The demo-board of HMC783 uses a VCXO. However, when measuring it on a spectrum analyser I can verify that the frequency actually drifts some few kHz per second, with LOCK aquired by the PLL.



I am wondering if using a TCXO would supress this, or if this continuous frequency shift has to do with the PLL itself.


P.S: The VCXO the demo-board has is CVHD-950-180353.


Kind Regards,
Hugo Santos