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Multiple Channels and Calibration

Question asked by djpritchard on Nov 7, 2013
Latest reply on Nov 8, 2013 by daras
Setting up to do manual mixer measurements and I'm not sure I understand when to do a calibration of the multiple channels.  Right now I'm setting up to do a compression test on a downconverter with fixed LO.  So I was setting up each channel for a particular RF frequency value, and would sweep the same power range at each frequency.  So say I have six channels set up, each with their specified RF, and resultant IF frequency.  I want to perform a Source Power cal, so when do I perform that, so each RF input power sweep is calibrated.  I know I can calibrate a channel, and then copy it, and the calibration carries with it.  But then I'm changing the RF frequency on that channel to a new RF, etc, etc.

Next question would be best way to set this up programmatically.  And again, I'm not sure if there is a more efficient way to manually set up what I describe above.  

Appreciate tips and feedback.

Thanks  

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