E5071C
208
gray) ports; interpolated calibration data is used. If you
turn on the error correction function when the
stimulus setting is different from that when the
power calibration data were acquired, power level
error correction is performed with interpolated
calibration data only when calibration data can be
interpolated (extrapolation is not performed for
calibration data).
--- (displayed in gray)
Error correction is not performed
(some stimulus ports have error correction set to on,
but there is no valid calibration data)
None
Error correction is not performed
(error correction is off for all stimulus ports)
Procedure to turn ON/OFF power level error correction
Power level error correction is automatically turned on when you execute
the measurement of calibration data. You can turn it on or off as necessary
by using the following procedure.
1. Press Cal key.
2. Click Power Calibration.
3. Select a port.
4. Click Correction. Each press toggles this selection between ON/OFF.
Preparing Power Meter and Sensor
To execute power calibration, you need to prepare the power meter and
power sensor used to acquire power calibration data.
• Power calibration may not be executed when the specified
frequency and level is out of range of the power sensor
specification.
The table below shows available power meters and recommended power
sensors for power calibration.
Product
Description
Model Number
Supported ENA
Firmware
Revision
Power meters
Agilent 437B, 438A, E4418A/B,
E4419A/B, N1911A/N1912A
(w/ USB/GPIB interface)
All
HP EPM-441A/442A, EPM-P
E4416A/E4417A
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