Keysight Technologies N5224/5A Service Manual page 348

General Purpose Maintenance Procedures
Error Terms
The error terms are the same for a one port measurement on Port 2 (S
Figure 8-2 Flowgraph of Two-Port Error Terms
8-4
S = Source Match
R = Reflection Tracking
where:
E = error term
1st Subscript:
D = Directivity
S = Source Match
R = Reflection Tracking
X = Crosstalk (Isolation)
L = Load Match
T = Transmission Tracking
2nd Subscript:
F = forward measurement (Ports 1 to Port 2)
R = reverse measurement (Ports 2 to Port 1)
Keysight N5224A/25A Service Guide
).
22