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Chapter 14 Using Cable and Antenna Analyzer
Procedure
1
Press the AMP/SCALE hard key.
2
Do one of the following choices:
–
Press the Auto Scale to optimize the display of the measured trace by letting the
instrument set the minimum and maximum values for the Y-axis automatically.
Each time this key is pressed, the top and bottom scales are set to the minimum and
maximum values with margin on the Y-axis of the chart.
–
Press the Full Scale to restore the insturment's default amplitude range for the Y-scale
automatically.
–
To set the minimum and maximum values for the Y-axis manually, complete the following
steps:
a
b
c
d
e
f
NOTE
This setting is not used in the Smith Chart measurement mode.
Setting sweep mode
The default setting is Continue to sweep continuously for most on-going measurements. If you want to
hold the measurement or get a single sweep, you can change the sweep mode.
Procedure
To select the single sweep mode:
1
Press the SWEEP hot key.
2
Toggle the Sweep Mode soft key and select Single. You can also use the HOLD hot key.
The letter
3
Optional. Press the Sweep Once soft key to get a new measurement.
To return to the continuous sweep mode:
1
Toggle the Sweep Mode soft key and select Continue. You can also use the HOLD hot key.
The letter
Performing calibration
To get reliable and accurate measurement results, you must perform a calibration on your instrument
after setting frequencies and prior to making a measurement. You need to have the following ready:
Calibration accessories (optional).
Calibration Kit: Includes one 50-ohm load, one open standard, and one short standard.
Test Cable: Use a phase stable cable for reliable and consistent measurement results.
450
Press the Maximum (Top) soft key.
Enter a value by using the numeric keys.
Press the Enter soft key.
Press the Minimum (Top) soft key.
Enter a value by using the numeric keys.
Press the Enter soft key.
HOLD
in red appears and the sweeping is paused.
HOLD
in red disappears and the sweeping resumes.
JD700B Series User's Guide
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