How To Make Dtf Measurements - Keysight N9923A User Manual

DTF (Distance to Fault) Measurements

How to make DTF Measurements

How to make DTF Measurements

Before starting, you may need the following:
— Jumper cable or adapter to connect the beginning of the DUT to the
— LOAD with correct connector type and gender to terminate the end of the
— The known length and cable type of the DUT. If the cable type is not known,
1. Connect any necessary jumper cable or adapter to the FieldFox RF OUT
2. Press Preset then
3. Then Mode then CAT.
4. Then
5. Press Freq/Dist, then
6. Press Cal 5 and follow the Cal prompts. Learn all about Calibration in
7. Disconnect any components or antenna that should NOT be measured and
8. Press Meas Setup 4 then
9. Either press
10. Connect the start end of the DUT to the FieldFox.
11. Press Meas Setup 4 then
90
FieldFox.
DUT (if possible).
then the Cable Loss (dB/Meter) and Velocity Factor of the DUT are required.
port. Do NOT connect the DUT.
Preset
Distance To Fault.
can optionally set the Start Distance
"How to Perform a Calibration" on page
connect a LOAD at the end of the DUT.
Recall Coax
Loss of the DUT using the
setting is False, then you may see Alias faults on the screen. Learn more
on page 98.
to return the FieldFox to the default settings.
Stop Distance and enter the length of the DUT. You
104.
DTF Cable Specifications.
Cable, or directly enter the Velocity Factor/Cable
Velocity Factor and
Settings then Next
Keysight N9923-90001 User's Guide
Cable Loss keys.
Page. If the Alias-free Range