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measure phase diff. of two external RF signals with VNA?

Question asked by randysl on Apr 12, 2011
Latest reply on Apr 13, 2011 by randysl
Hi all,

I got a PNA (E8361A) and I want to know whether I can use this PNA for measuring the phase difference of the two RF signals of the following circuit?

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The frequency of the two RF signals are same and the two VCOs are driven simulataniously to keep the frequency of the two down-converted RF signals(RF1 & RF2) at a same frequency(1 GHz).

If this PNA (E8361A) can be used for that measurement, could you please explain me the steps I should follow to configure it?

Thanks & Regards,
Randy  

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