Keysight N9938-90006 User’s Guide 563
Power Meter (USB/LAN) Mode - Option 302
USB and LAN Power Meter Settings
How to select a Sensor Type
— Press
Meas Setup 4
.
— Then
Sensor Type USB LAN
(Default = USB).
Average / Peak
— Press
Measure 1
— Then choose from the following:
—
Average
Measures and reports the average of the power
measurements.
—
Peak
Available ONLY on some of the X-Series power sensors.
Measures and reports peak power detected at sensor input. See also,
Table 24-1, “Pulse Measurement X-Series USB and LAN Power
Zeroing
The Keysight USB and LAN Power Sensors perform Internal Zeroing
automatically. Because Keysight USB and LAN Power Sensors have an internal
switch, Internal Zeroing does NOT require that the power source be turned
OFF.
For highest measurement accuracy, when measuring power levels below
–30 dBm, External Zeroing should be performed.
During External Zeroing, the power source MUST be turned OFF or the power
sensor disconnected from the power source (device under test). Power is OFF
when power sensor measurements are below –60 dBm (–50 dBm for LAN
sensors). When power higher than this is detected at the sensor, a warning
message is shown on the FieldFox and External Zeroing will not proceed.
How to perform External Zeroing
— Press
Cal 5
.
— Then
External Zero
.
While either Internal or External Zeroing is being performed, “Zeroing...” is
shown on the FieldFox screen. While this message is present, do NOT make
any changes to the FieldFox.
External Zeroing is NOT allowed on the U2020 X-series Power Sensors.
Summary of Contents for N9913B
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Page 572: ...572 Keysight N9938 90006 User s Guide Power Meter USB LAN Mode Option 302 Troubleshooting ...
Page 724: ...724 Keysight N9938 90006 User s Guide Noise Figure Mode Option 356 Troubleshooting ...
Page 858: ...858 Keysight N9938 90006 User s Guide Specifications Data Sheet ...
Page 861: ...861 Keysight Handheld Analyzers N99xxB User s Guide D Korean Battery Safety Translation ...
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Page 884: ...884 Keysight N9938 90006 User s Guide Keysight Software End User Licensing Agreement EULA ...
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