Keysight Technologies FieldFox A Series User Manual page 72

TDR (Time Domain Reflectometry) - Option 215
"Frequency Mode" on page 76
"Cable (Correction) Specifications" on page 77
"Window Settings" on page 80
"TDR Units" on page 81
"Calculated TDR values" on page 81
"About Alias Faults" on page 82
"How to Prevent Undersampling" on page 83
Optional Settings
"All about Markers" on page 598
"All about Limit Lines" on page 613
"Saving and Recalling Files" on page 672
Trace Math is NOT available in DTF Measurements.
How to make TDR 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,
2. Press Preset then
3. Then Mode then CAT/TDR.
4. Then Meas 1 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
72
FieldFox.
DUT (if possible).
then the Cable Loss (dB/Meter) and Velocity Factor of the DUT are required.
1. Connect any necessary jumper cable or adapter to the FieldFox RF
OUT port. Do NOT connect the DUT.
Preset
More
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.
then DTF (Lin) or TDR (Lin rho)
Stop Distance and enter the length of the DUT. You
123.
DTF Cable Specifications.
Keysight N9927-90001 User's Guide
or (ohm).