Using N8480 Series Power Sensors 8
N1911A/1912A P-Series Power Meters User’s Guide 201
N8480 Series Power Sensors (excluding Option CFT)
Power sensors have small errors in their response over frequency. The
response of each sensor is measured during manufacture (and during
periodic calibration). With N8480 Series power sensors (excluding Option
CFT), the resulting frequency compensation information is written into
Electrically Eraseable Programmable Read Only Memory (EEPROM). This
allows the frequency and calibration data to be downloaded to the power
meter automatically.
Using calibration factors enables you to achieve improved measurement
accuracy. This section describes making continuous wave measurements
using the N8480 Series power sensors (excluding Option CFT).
Making a measurement requires the following steps:
1 Zero and calibrate the power meter/sensor combination.
2 Set the frequency for the signal you want to measure.
3 Make the measurement.
Procedure
1 First zero and calibrate the power meter/sensor combination.
2 Ensure the power sensor is disconnected from any signal source.
3 Press and the channel softkey. The Zeroing pop- up is
displayed.
4 Connect the power sensor to the POWER REF output.
5 Press and the channel softkey to start the calibration
routine. The Calibrating pop- up is then displayed.
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