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Reference signal wave of HMC783LP6CE

Question asked by AkiraO on Apr 21, 2015
Latest reply on Apr 23, 2015 by AkiraO

Hi,

 

We made 12pcs of boards using HMC783LP6CE. But, one board didn't lock the PLL and floor noise was higher than other boards.

We checked the board, and the result, the reference signal wave form for HMC783LP6CE was different from other board. Please

refere attached file. Does the wave form of reference signal have anything to do with this problem (PLL unlock)?

 

Best regards,

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