![](http://pdfasset.owneriq.net/b/2a/b2a91eff-a775-4eda-b68d-fdc3e49098da/b2a91eff-a775-4eda-b68d-fdc3e49098da-bg18e.png)
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