Agilent Technologies E5070B, Руководство пользователя

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218 Chapter 4
Calibration
Power Calibration
Setting a tolerance for power calibration
When a tolerance is set, an error message is displayed and the power calibration is aborted
if the averaged measured power value during the power calibration goes outside the
specified tolerance.
If the power calibration is aborted, the power-level error-correction function is not turned
on.
This function notifies you of failed power calibration, which normally takes a long time if
an error occurs in the measurement results, by displaying an error without having to wait
for the end of the power calibration.
Setting the tolerance
Follow these steps to set the tolerance for power calibration.
Step 1. Press .
Step 2. Press
Power Calibration
.
Step 3. Press
Tolerance
.
Step 4. Enter the tolerance value for power calibration.
Measuring calibration data
NOTE Before measuring calibration data, you need to execute the zero adjustment and calibration
of the power sensor. For information on how to execute these operations, see the manual of
the power meter you are using.
When using the power sensor calibration factor table of the E5070B/E5071B, set the
calibration factor to 100% and execute the calibration of the power sensor.
Step 1. Press .
Step 2. Press
Power Calibration
.
Step 3. Select a port (see “Selecting target port of error correction” on page 215).
Step 4. Press
Use Sensor
. Each press toggles between channel A and channel B. If you use a
power meter with one channel, channel A is always selected.
Step 5. Press
Num of Readings
.
Step 6. Enter the number of power level measurements at one measurement point (averaging
factor).
Step 7. Connect the power sensor for the selected channel to the selected port as shown in the
figure below.