SA (Spectrum Analyzer) Mode (Option 233–Mixed Analyzers)
SA Mode Settings
— Then use the arrows to select a field.
— To edit header information, press Edit
then modify the selected field
using the FieldFox labeler.
——Description: Enter a description for the antenna or cable
correction table. This is NOT the filename used to save the file.
——Antenna Factor Unit (Rcvr-side Antennas only): Units in which
the measurement will be displayed. Select NONE (default
setting) to select from standard SA Units on the Scale menu.
Learn how in “Scale and Units” on page 154.
——Choose from: dB μV/m - (dB micro Volts per meter), dB μA/m
- (dB micro Amps per meter), dBG (gauss), dBpT (tesla).
——Freq Interpolation: Set to LINear and can NOT be edited.
—To edit Frequency/Value pairs, enter numbers using the numeric
keypad, and a frequency suffix when necessary.
——For both Cable Loss and Antenna Factor values, Positive
numbers indicate loss (we need ADD something positive to
compensate for it), and Negative is indicative of some existing
gain.
——Antenna Factor describes the dB value needed to accurately
display a far-field signal in terms that are in the units listed
below. When the antenna has low gain, or low efficiency, the
dB value to be added is larger.
——Antenna Factor Unit sets the type of antenna factor unit used
in your measurement (i.e., dB /m or DB S/m).
— When one Freq/Value pair is entered, that correction value is applied
to the entire displayed frequency span.
— When two or more Freq/Value pairs are entered, the data points
between the lowest and highest frequencies are corrected. Linear
interpolation is applied between frequencies when necessary.
— Optionally choose from the following:
—Previous / Next Page
Quickly scrolls through pages of Freq/Value
data.
— Add Row
Add a blank Freq/Value pair to the table,
—Delete/Clear
then:
——Delete Row
Remove the selected Freq/Value pair from the
table.
——Clear All
then Yes Remove all Freq/Value pairs from the table
and resets header information to default settings.
Keysight N9938-90003 User's Guide
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