Patent ID: 6018246
Filing Date: 2000-01-25
Classification: G01R

Abstract:
A measurement method for a network analyzer having at least one first adjustable IF filter for measuring forward transmission parameters and forward reflection parameters of a device under test and having at least one second adjustable IF filter for measuring reverse transmission parameters and reverse reflection parameters of the device under test, the measurement method comprising the steps of:selecting a first predefined bandwidth for the at least one first adjustable IF filter;selecting a second predefined bandwidth for the at least one second adjustable IF filter;adjusting the bandwidth of the at least one first adjustable IF filter to the first predefined bandwidth;measuring the forward transmission parameters and forward reflection parameters of the device under test;adjusting the bandwidth of the at least one second adjustable IF filter to the second predefined bandwidth;measuring the reverse transmission parameters and reverse reflection parameters of the device under test; andextracting at least one of a forward transmission coefficient, a forward reflection coefficient, a reverse transmission coefficient, and a reverse reflection coefficient of the device under test from the measured forward transmission parameters, the measured forward reflection parameters, the measured reverse transmission parameters and the measured reverse reflection parameters.