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PXA noise figure measurement - swept RF and Swep LO on up converter?

Question asked by midam on Jun 12, 2012
Latest reply on Jul 26, 2012 by Dr_joel
Hi, 
I'm currently playing around with our new PXAs especially with noise figure measurement mode.
Traditionaly, we measured our up converter noise figure to plot Noise figure vs. RF (of course this is output frequency of DUT. It will be IF in PXA speak.)
When I tried to do same measurement with PXA, I noticed that DUT set up in PXA does not allow to sweep LO and RF (IF in PXA speak) at the same time. I wonder if there is any reason for that or it is something that can be implemented in the future via firmware upgrade.
Thanks.  

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