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Using Signal Generator as External Oscillator on FMCOMMS3

Question asked by USDseniors on Mar 8, 2016
Latest reply on Mar 10, 2016 by USDseniors



I would like to use a signal generator as an external oscillator for two FMCOMMS3.  I am using two FMCOMMS3 boards and connecting them to a ZC702 evaluation board.  I would like to sync the clocks of the two SDRs so I want to use an external oscillator and a splitter to accomplish this task.

What are the steps needed to make this happen?  How do I tell the device to use the external oscillator instead of the crystal on the board?  The Analog Devices website/AD9361 datasheet is extremely vague on how to actually implement an external oscillator.  It only mentions that it is possible.


Thank you for your help in advance!