Using the Tracking Generator
213
On the Test Set using the knob and data entry keys:
20 From Controls, select Main.
21 Select Marker from the Choices field.
22 From Marker To select Ref Level.
23 Use the Marker position to measure the response to the frequenc y(s ) of in-
terest.
Return loss is displayed as Lvl as shown.
Calculate the Return Loss in V SW R :
24 Use the following chart to convert calculated return loss into VSWR:
Return Loss VSWR
5.0 dB 3.6
10.0 dB 1.9
15.0 dB 1.4
20.0 dB 1.2
25.0 dB 1.12
30.0 dB 1.07