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Problem for setting ADF4351 to wanted 3031.25MHz frequency

Question asked by Matt1012 on Mar 30, 2016
Latest reply on Aug 4, 2016 by rbrennan

Hi,

I have problem  for setting ADF4351 PLL to wanted 3031.25MHz frequency (with reference freq=30.72MHz and channel spacing (step)=360kHz. It would result in very large variation of output frequency. (3031.16047....MHz)

But when I try ADF4355-2 PLL software under the same condition, I can get the wanted 3031.25MHz frequency by 3031.250000002MHz.

could ADI advise if it's device issue or software tool issue?

 

Thanks.

 

Matt.

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