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4-port Error correction

Question asked by tomoey on Jan 17, 2008
Latest reply on Jan 17, 2008 by Dr_joel
I have a question regarding applying the 48-error terms from a full 4-port CAL downloaded from PNA E8364B / N4421B to uncorrected 4-port S-parameter data.

Is it valid to take a subset (2-port, 12-term) of the 48-error terms and to apply it to a pair of the port at a time?  I am guessing that the impedance normalization was already accounted for in these error terms.

Thanks for help.