Agilent Technologies 8753ET User Manual page 320

To Calibrate the Analyzer Receiver to Measure Absolute Power
You can use the power meter calibration as a reference to calibrate the analyzer receiver to
accurately measure absolute power. The following procedure shows you how to calibrate
the receiver to any power level.
1. Set the analyzer test port power to the desired level:
(enter power level)
Power
2. Connect the power sensor to the analyzer test port 1.
3. To apply the one sweep mode, press:
PWRMTR CAL
Cal
Because power meter calibration requires a longer sweep time, you may want
NOTE
to reduce the number of points before pressing
the power meter calibration is finished, return the number of points to its
original value and the analyzer will automatically interpolate this
calibration.
The status notation PC will appear on the analyzer display. Port 1 is now a calibrated
source of power.
4. Connect the test port 1 output to the test port 2 input.
5. Choose a non-ratioed measurement by pressing:
INPUT PORTS
Meas
This sets the source at PORT 1, and the measurement receiver to PORT 2, or input port
B.
6. To perform a receiver error correction, press:
CALIBRATE MENU
Cal
TAKE RCVR CAL SWEEP
The receiver channel now measures power to a characteristic accuracy of 0.35 dB or
better. The accuracy depends on the match of the power meter, the source, and the
receiver.
x1
(enter power level)
x1
B TEST PORT 1
RECEIVER CAL
Calibrating for Increased Measurement Accuracy
Power Meter Measurement Calibration
ONE SWEEP TAKE CAL SWEEP
TAKE CAL SWEEP
(enter power level)
x1
. After
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