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Power Meter (USB) Mode
Supported Power Sensors
For a complete list of supported Keysight USB Power Sensors, please visit:
www.keysight.com/find/usbsensorsforfieldfox
The FieldFox does NOT support the following Keysight USB Power Sensor
features: External Triggering (Time Gated Burst Power Measurement),
Power Sweep Operation, and Frequency Sweep Operation. External
Zeroing is NOT allowed on the U2020 X-series Power Sensors.
Please refer to your USB Power Sensor User's Guide and observe the
damage levels of your device.
How to Connect the Power Sensor
Connect your Power Sensor to one of the FieldFox USB ports.
Use an attenuator between the DUT and the power sensor when
measuring power levels that are higher than +20 dBm. The attenuator
value can be subtracted from the measurement using the Offset feature,
discussed in
A sequence of status lights are displayed on the base of the power sensor,
when the FieldFox is in Power Meter (USB Sensor) mode.
— Green blinking light indicates the power sensor is communicating or
— Amber light indicates Zeroing is being performed.
— Red light indicates an error has occurred with the power sensor. Refer to
— No light indicates the FieldFox is not communicating with the power
Keysight N9923-90001 User's Guide
"Relative and Offset Power Measurements" on page
self-tests are being performed. Because the FieldFox is usually
communicating with the power sensor when it is connected, this is the
normal mode of operation.
power sensor documentation.
sensor. This is the case when in Hold mode or when NOT in Power Meter
Mode.
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