Measure Dtf - Keysight Technologies FieldFox N9923A Quick Reference Manual

Rf vector network analyzer
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Measure DTF (CAT Mode-Opt 305)
Required Equipment:
 LOAD with correct connector type and gender to
terminate the end of the DUT.
 Known length and cable type or Cable Loss
(dB/Meter) and velocity factor of the DUT.
 Optional phase stable jumper cable or adapter to
connect the beginning of the DUT to the FieldFox.
1. Connect any necessary jumper cable or adapter to the
FieldFox Port 1 connector.
2. Press Preset then
3. Then Mode then
4. Then
Distance to Fault
5. Press Freq/Dist then
length of the DUT.
6. If a diplexer or other filter is in the measurement path,
press Freq/Dist and manually type the
and
Max Stop
Setup then select
7. Press Cal 5 and follow the Cal prompts.
8. Disconnect any components or antenna that should
NOT be measured and connect a LOAD at the end of
the DUT.
9. Press Meas Setup 4 then
Specifications.
10. Either press
Velocity Factor
11. Connect the start end of the DUT to the FieldFox Port
1. The DTF measurement is displayed.
Preset
CAT
Stop Distance
frequencies. Otherwise, press Meas
Frequency Mode [Lowpass]
Recall Coax Cable
and
Cable Loss
DTF Cable
or enter the
of the DUT.
7
and enter the
Min Start

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