How To Make Dtf Measurements - Keysight N9912A 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 DTF.
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
4- 18
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
can optionally set the Start Distance
Chapter 7.
connect a LOAD at the end of the DUT.
Recall Coax
the DUT.
setting is False, then you may see Alias faults on the screen. Learn more
on page 4-26.
to return the FieldFox to the default settings.
Stop Distance and enter the length of the DUT. You
DTF Cable Specifications.
Cable, or enter Velocity
Settings then Next
Keysight N9912-90001 User's Guide
Factor and Cable Loss
Page. If the Alias-free Range
of