Handheld Cable/Antenna Analyzer
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.)
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…
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