S820E UG PN: 10580-00343 Rev. H 3-7
Cable and Antenna Measurements 3-4 Cable Loss Measurement
3-4 Cable Loss Measurement
The transmission feed line insertion loss test verifies the signal attenuation
level of the cable system in reference to the specification. The average cable
loss of the frequency range is displayed on the screen in the measurement
settings summary area.
Device Under Test: Transmission Feed line with Short
1. Press the Measurement main menu key, under the Standard submenu,
select Cable Loss.
2. Press the Freq/Dist main menu key and enter start and stop
frequencies.
3. Press the Amplitude main menu key and enter top and bottom values
for the display or press Full Scale.
4. Press the Calibration main menu key to start calibration of the
instrument. Anritsu suggests using a phase-stable test port cable. See
Chapter 4 for details.
5. Connect the Site Master to the Device Under Test using the calibrated
phase-stable test port cable.
6. Press the Limit main menu key to enter and set the limit line as
described in “Limit Lines” on page 3-34. This limit line is used only for
visual reference and not a pass/fail guide. The pass/fail determination
is based on the average cable loss.
7. Press File (7) then Save to save the measurement to memory. Refer to
“Save Files” on page 10-4 for details on setting the save location.
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