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141
III. ting of Time Domain Transformation Measurement
Before entering the DTF measurement mode, set the measurement frequency range, sweep points, IF
bandwidth and other measurement parameters, complete the single port calibration, and then perform
the DTF test as follows. First connect the cable under test to network port 1:
a)
Press
【
Measure
】
, press [DTF VSWR] or [DTF Return Loss] to activate the time domain
conversion function and enter the DTF measurement mode.
b)
Press
【
Frep
】
, [Start Dist] , input the starting distance to be observed, and complete the input
based on the corresponding distance unit;
c)
Press
【
Frep
】
, [Stop Dist] , enter the end distance to be observed, and complete the input based
on corresponding distance unit;
d)
If you want to set the window function, press
【
Frep
】
, [Window >], display the submenu of
[Window >], and select different window functions;
e)
Press [Return] , [Unit m/ft] , set the required distance unit system;
f)
Press [Cable Specification>], [Recall Cable], select the model of the cable to be tested in the cable
model selection list, press [OK] to complete the selection and close the dialog box;
g)
If there is no corresponding cable type, press [Cable Specification >], [Cable Loss], input the cable
loss of cable to be tested, press [OK] to complete the setting and close the dialog box;
h)
Press [Velocity] and input the transmission rate factor of the kit to tested, press [OK] to complete
the setting and close the dialog box;
i)
Observe and record the test results.
Section 10 Menu Description
This Section describes the menu structure and menu details of the S5105D/E/F microwave analyzer in
the antenna and cable test mode.
1
Menu Structure
The antenna and cable test mode mainly includes 10 groups such as frequency, amplitude, bandwidth,
sweep, trace, marker, calibration, file, limit, measurement , except the measurement, frequency,
calibration menu and vector network analyzer mode are different, others are the same as those of vector
network analyzer mode. The menu structure different from the vector network analyzer mode is as
follows:
