Concepts and Features
R&S
®
ZNC
63
User Manual 1173.9557.02 ─ 13
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With a circle limit line adjusted to the right border of a Smith diagram (Z = infinity),
you can check whether the imaginary part of the impedance (Im(Z), reactance) falls
below a limit.
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With a circle limit line centered around the left border of an inverted Smith diagram
(Y = infinity), you can check whether the imaginary part of the admittance (Im(Y),
susceptance) falls below a limit.
3.4.1.4
File Format for Limit Lines
The analyzer uses a simple ASCII format to export limit line data. By default, the limit line
file has the extension
*.limit
and is stored in the directory shown in the "Export Limit
Line" and "Import Limit Line" dialogs. The file starts with a preamble containing the chan-
nel and trace name and the header of the segment list. The following lines contain the
entries of all editable columns of the list.
Example of a limit line file
The limit line:
is described by the limit line file:
Operations on Traces