Dtf (Distance To Fault) Measurements How To Make Dtf Measurements - Keysight B Series User Manual

DTF (Distance to Fault) Measurements
How to make DTF Measurements
"Coupled Frequency" on page 56
"Cable (Correction) Specifications" on page 57
"Window Settings" on page 60
"DTF Units" on page 61
"Calculated DTF values" on page 61
"About Alias Faults" on page 61
Optional settings
"All about Markers" on page 190
"All about Limit Lines" on page 205
"Saving and Recalling Files" on page 266
Trace Math is NOT available in 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 Meas 1 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
52
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
"How to Perform a Calibration" on page
connect a LOAD at the end of the DUT.
to return the FieldFox to the default settings.
Stop Distance and enter the length of the DUT. You
89.
DTF Cable Specifications.
Keysight N9938-90003 User's Guide