Patent ID: 7068046
Filing Date: 2006-06-27
Classification: G01R

Abstract:
1. A method for calibrating a vector network analyzer, the vector network analyzer having a switch fabric with at least four outboard ports the method comprising: determining a first group of calibration terms by performing at least two two-port calibrations on the outboard ports; measuring reflection coefficients for each member of a first pair of outboard ports from the at least four outboard ports when the first pair is connected with a first transmission line; measuring reflection coefficients for each member of a second pair of outboard ports from the at least four outboard ports when the second pair is connected with a second transmission line; and utilizing the first group of calibration terms and the reflection coefficients from the first and second pairs to calibrate the vector network analyzer, wherein utilizing the first group of calibration terms and the reflection coefficients from the first and second pairs comprises: