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4-Port Full S-Parameter Calibration

Question asked by calvinf15 on Jun 2, 2008
Latest reply on Jun 3, 2008 by dgun
Hi folks.  I've started to program an 8751A in conjunction with 4380A 8-port test set.  It's a nice combination, but requires off-board error correction over the HPIB.  I'm familiar with the closed-form vector equations to solve for the 12-term error coefficients of a 2-port, but would like to extend this analysis to 4-port (and possibly to 8-port if I don't get completely lost in the math :? 

Can someone point me to a document that shows the closed-form solutions for the 4-port error coefficients?  How many are there, anyway...24?

thanks,

Calvin  

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