3. Operating Instructions
Figure 3.34.
S
11
between cursors bracketing an SMA barrel adapter on the TDR trace.
Figure 3.35.
S
11
between cursors with tightened connector showing average return loss
of -34.46 dB from 756 MHz to 3 GHz.
6. Toggle
Restore Defaults
to disregard the values set in the table, and to use those loaded
from the CT100B internal storage. If this is checked when
OK
is pressed, all former values
will be overwritten.
7. Press
OK
to change the settings to those set above. The S
11
trace will update, although it
might not look visually different, depending on the settings.
3.11.18.6. Return Loss (S
11
) Other S
11
Options
Additional miscellaneous options can be found under
SCAN
→
Math
→
SParam & Normalize
Tools
→
S
11
Options
→
Other S
11
Options
, and then toggle the options desired.
•
OSL Bases Visible
: If not checked, the Open, Short, and Load traces will be hidden after
the S
11
trace is created. This is to help reduce the visual clutter of the display.
•
Align Base Traces
: If checked, and if the input traces to the S
11
trace all include the
internal cabling, the input traces are aligned to the common first rise of the internal cable.
CT100B TDR Cable Analyzers Operator’s Manual
53
