Supported Power Sensors; Measurement Selection - Keysight N9923A FieldFox User Manual

 "Best Practices For Making The Most Accurate Radar Pulse Measurements"

Supported Power Sensors

Pulse measurements are made using any of the Keysight U2020 X-Series USB Peak
Power Sensors.
Zeroing of the U2020 X-Series USB Peak Power Sensors is performed automatically
at power up, every 5 seconds, and prior to measuring low level signals.
How to Connect the Power Sensor
Connect your Power Sensor to one of the FieldFox USB ports.
NOTE 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 on page 81.
A sequence of status lights are displayed on the base of the power sensor.
 Green blinking light indicates the power sensor is communicating or self-tests are
 Amber light indicates Zeroing is being performed.
 Red light indicates an error has occurred with the power sensor. Refer to power
 No light indicates the FieldFox is not communicating with the power sensor. This is
Pulse Measurement Settings
Select Pulse Measurement Mode before making any setting in this section.
How to select Pulse Measurement Mode
 Press Mode_
 Then
 Then

Measurement Selection

The pulse measurement results are presented as either a traditional power meter
display or as a trace graph.
How to select the Measurement
 Press Measure 1
92
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Switching between Pulse Measurement Mode and Power Meter Mode
NOT Supported - Using a single USB Peak Power Sensor and switching between
Power Meter Mode and Pulse Measurement Mode. Both modes will attempt to
program the sensor, which could cause one or both modes to hang, or at least
report inaccurate data.
Supported - Using one U2000A Average Power Sensor connected to the top USB
port for Power Meter Mode, and one Peak Power Sensor connected to the bottom
USB port for Pulse Measurement Mode.
being performed. Because the FieldFox is usually communicating with the power
sensor when it is connected, this is the normal mode of operation.
sensor documentation.
the case when in Hold mode or when NOT in Pulsed Measurement Mode.
if your FieldFox contains more than five measurement modes.
More
Pulse Measurement
FieldFox User's Guide