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MULTI-CHIP CLOCKING with ADF4351

Question asked by serdar on Feb 8, 2013
Latest reply on Feb 19, 2013 by pkern

Hi,

 

I am using ADF4351 to drive AD9914 at 3.5GHz. Those two components are working properly. But I am working on a new design which I need to clock two AD9914 with multi-chip synchronous operation. As you know ADF4351 has two differential RF outputs (RFA,RFA- and RFB,RFB-). RFB and RFB- are auxiliary RF outs. Is it possible to use those RF out to clock two AD9914 dds for phase coherent and synchronous operation as in attached schematic?

 

An other subject is how to make connection between two AD9914 for multi-chip phase coherent and synchronous operation.

 

Thanks

Serdar

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