Deviser SitePROFILER - Page 60

E7000L
SitePROFILER
Handheld Cable/Antenna Analyzer
60
Setting a Multi-Segmented Limit Line
1. In the Limit menu, tap Single Limit and select OFF .
2. Tap Edit Limit . The display will shrink to preview the current measurement and display a limit table.
3. Tap Add to add a new limit line to the table. From left to right, you can tap each field to adjust it
using the arrow keys, rotary knob, or data keypad. Tap a field once to outline it, and again to edit
(or press the Enter button).
4. Create two limit lines according to the table below. (The table displayed on the instrument should
match the one provided here.)
#
Type
Begin Frequency
End Frequency
Begin Amplitude
End Amplitude
1
MAX
2 MHz
4.4 GHz
80Ω
80Ω
2
MIN
2 MHz
4.4 GHz
20Ω
20Ω
5. The measurement preview will change to reflect the new passing limit range: 20 - 80Ω. Any region
of the measurement trace within this range will appear in yellow. If this reflects the entire trace, the
word PASS will appear in green.
… and now with a single upper limit of 50 Ω.
Note the bifurcated line, indicating that only part of
the measurement exceeds the limit.
Smith Chart trace with no limit lines set…