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GUI reference

R&S

ZNB/ZNBT

728User Manual 1173.9163.02 ─ 62

A standard DtF measurement is prepared in the order from top to bottom:

1. Enable DtF measurement, see "Distance to Fault" on page 728

2. Configure the distance window, see "Start Distance / Stop Distance" on page 729

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, see"Cable Type..."

on page 730

5. Perform a full one-port calibration at physical port 2, see "Start Cal Unit... (P2) Refl

OSM / Start Cal... (P2) Refl OSM" on page 731

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 Fault Limit Check

and defining a suitable Fault Limit. Use Fault List... to display (and export) the

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 linear frequency sweep.

If the active trace is a reflection trace S

, the analyzer firmware assumes that the DUT

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

as measured quantity of the active trace

●

proposes a reflection normalization at port p (see "Start Cal Unit... (P2) Refl OSM /

Start Cal... (P2) Refl OSM" on page 731)

Applic softtool

R&S ZNB Series User Manual

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