Agilent Technologies HP 8719D Service Manual page 321

Error 'Mm Descriptions
The error term descriptions in this section include the following information:
significance of each error term
n
typical results following a full 2-port error-correction
n
The same description applies to both the forward (F') and reverse (R) terms. The
plots shown with each are typical of a working system following a full 2-port
calibration as performed in "Measurement Calibration Procedure, ' above.
It may be helpful to define some of the terms used in the error term descriptions
that follow:
refers to the reference signal path. It includes the A58
M/A/D/S, A64 R sampler, and associated semi-rigid coax cables.
A input path:
refers to the port 1 input path and includes the A58 M/A/D/S,
n
B input path:
refers to the port 2 input path and includes the A58 M/A/D/S,
n
1 l-8 Error Terms