R&S ZNB Series User Manual page 728

®
R&S ZNB/ZNBT
A standard DtF measurement is prepared in the order from top to bottom:
1. Enable DtF measurement, see
2. Configure the distance window, see
3. Adjust the number of sweep points (and, if necessary, the frequency span), see
Auto Number of Points
4. Select (or define and select) a suitable cable type,
on page 730
5. Perform a full one-port calibration at physical port 2, see
OSM / Start Cal... (P2) Refl OSM"
You should now be able to locate the faults (peaks) by examining the trace.
You can also let the firmware generate a list of faults by enabling
and defining a suitable
detected faults.
Distance to Fault
Activates/deactivates Distance to Fault representation for the active trace.
Note that "Distance to Fault" can only be enabled, if the active channel is configured to
perform a
If the active trace is a reflection trace S
is connected to port p=i. Otherwise it assumes that the DUT is connected to port p=2.
When activating "Distance to Fault", the analyzer firmware
●
sets S
●
proposes a reflection normalization at port p (see
Start Cal... (P2) Refl OSM"
User Manual 1173.9163.02 ─ 62
Fault
linear frequency sweep.
as measured quantity of the active trace
pp
on page 731)
"Distance to Fault" on page 728
"Start Distance / Stop Distance"
see"Cable Type..."
on page 731
Limit. Use Fault List... to display (and export) the
, the analyzer firmware assumes that the DUT
ii
"Start Cal Unit... (P2) Refl OSM /
GUI reference
Applic softtool
on page 729
"Start Cal Unit... (P2) Refl
Fault Limit Check
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