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7-28
Operating Concepts
Analyzer Display Formats
Figure 7-11 Linear Magnitude Format
SWR Format
The softkey reformats a reflection measurement into its equivalent SWR (standing
wave ratio) value. See Figure 7-12. 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 7-12 Typical SWR Display
SWR