Measure Match Mode
20
Interpreting a Cable Loss Measurement
The graph below shows a typical cable loss measurement. Note that the scale is
greatly reduced to show the cable’s variation across frequency.
Figure
11
Interpreting Cable Loss Measurement
1.
Marker 1 and Marker 2 indicate the minimum and maximum loss for the
cable under test.
2.
Take the average of M1 and M2.
Note:
This is the average cable loss across the frequency band.
3.
Compare the loss with the manufacturer’s specified loss for a cable of this
length.
Note:
If they do not correspond, measure the cable loss again,
then check the cable for problems.
