Keysight N9923A FieldFox User Manual page 105

For best measurement accuracy, use the Manual power setting at -15 dBm. After
calibration, the power level can be decreased for amplifiers, or increased for higher
dynamic range.
Caution Power Level settings in this mode will NOT change Power Level settings in other
modes. To help prevent damage to your DUT, use caution when changing modes with
your DUT connected to the FieldFox test ports.
How to set Output Power
 Press Meas Setup 4 then
 Then
Averaging
Averaging helps to reduce the effects of random noise on a measurement. The
FieldFox computes the displayed value over several consecutive readings. Average
count determines the number of readings to average. The higher the average count,
the greater the amount of noise reduction.
An average counter is shown in the left edge of the screen as Avg N. This shows the
number of previous readings that have been averaged together. When the counter
reaches the specified count, then a 'running average' of the last N readings is
displayed.
Average count = 1 means there is NO averaging.
This setting can be changed at any time without affecting calibration accuracy.
How to set Averaging
 Press Meas Setup 4
 Then
 Then
 Enter a value using the numeric keypad. Enter 1 for NO averaging.
 Press Enter.
To restart the averaging process, press Meas Setup 4, then More, then
Single or Continuous Measure
This setting determines whether the FieldFox measures continuously or only once
each time the
allow you to save or analyze a specific measurement.
This setting can be changed at any time without affecting calibration accuracy.
VVM (Vector Voltmeter) Mode
Output Power
High (Default setting) Sets output power to the maximum achievable power at
o
the displayed frequency. Please see the FieldFox Specifications for expected
power levels.
Low Sets output power to approximately –42 dBm.
o
Man Set output power to an arbitrary value.
o
Then press
Nominal Power
o
Then enter a value using the numeric keypad, the ▲|▼ arrows, or the rotary
o
knob.
Press Enter.
o
More
where N is the current count setting.
Average N
button is pressed. Use Single to conserve battery power or to
Single
More
Restart
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