Technical data

5-18
Operating Concepts
Analyzer Display Formats
SWR Format
The SWR, softkey reformats a reflection measurement into its equivalent SWR (standing wave ratio)
value. See Figure 5-11. SWR is equivalent to (1 +
ρ)/(1 − ρ), where ρ is the reflection coefficient. Note that
the results are valid only for reflection measurements. If the SWR format is used for measurements of S
21
or S
12
the results are not valid.
Figure 5-11. Typical SWR Display
Real Format
The REAL, softkey displays only the real (resistive) portion of the measured data on a Cartesian format.
See Figure 5-12. This is similar to the linear magnitude format, but can show both positive and negative
values.