Absolute Power Validation
The validation of the power calibration can be done after completing the bench calibration.
In order to run this verification, initialize your bench and connect the power sensor
at the input DUT reference plane (take care to protect your power sensor if
needed):


In 1-Tone measurements configuration, set a frequency list and a power sweep, then
start the measurements. When the power level reaches a value of interest set the bench
on pause .

In this example, the Input Power is -0.66 dBm as illustrated by the marker in the
figure above. As the bench is on Pause, the RF source is still ON and it is possible to
verify the value measured by the power sensor at the input DUT reference plane.


After checking few Input power points by comparing IQSTAR input power and power
sensor measurements, it's possible to check the output power by connecting a THRU as a
DUT and running the same power sweep at the same frequencies. As the DUT is a THRU, the
Gain should be 0dB which meands that Input Power should be equal to Output
Power.

