8
Measure Cable Loss (1-Port) CAT Mode-Opt 305
Required Equipment:
LOAD with correct connector type and gender to
terminate the end of the DUT.
Optional phase stable jumper cable or adapter to
connect the beginning of the DUT to the FieldFox.
1.
Press
Preset
then
Preset
2.
Then
Mode
then
CAT
3.
Then
More
then
Cable Loss (1-Port)
4.
Connect the DUT.
5.
Press
Freq/Dist
and enter
Start
and
Stop
frequency values of the measurement.
6.
Press
Sweep 3
then
Min Swp Time
Increase the
sweep time until a stable trace is visible.
7.
Press
Cal 5
then follow the calibration prompts.
8.
Connect the DUT (cable to be tested) to the
FieldFox and connect a LOAD at the end of the
DUT.
Depending on the DUT, the following three steps may
improve the amount of ripple that is visible on the
screen.
9.
Press
Trace 6
then
Data->Mem
.
10.
Remove the LOAD and leave the end of the DUT
open.
11.
Press
Data Math
then
Data – Mem
. Use Averaging
for high-loss measurements. Press
BW 2
then
Averaging
12.
Read
Avg Cable Loss
on the FieldFox screen.