3-5 Field Strength Spectrum Analyzer Measurements
3-14 PN: 10580-00447 Rev. H Spectrum Analyzer MG
3-5 Field Strength
The field strength measurement is selected using the RF Spectrum mode. The field strength measurement is
used in conjunction with an Anritsu antenna that has known antenna factors. Users can also import custom
antenna factors for antennas not listed in the standard antenna selection list. When the field strength
measurement is enabled, an additional plot is shown at the bottom of the display, indicating the selected
antenna factor over the currently set frequency span. The field strength measurement is a measure of the RF
power density that automatically compensates for the selected antenna factor. If an antenna is not selected,
then the antenna gain is assumed to be 0 dB over the entire measurement range and the measurement can be
manually compensated for using the “Antenna Calculations” on page 3-17, or to otherwise convert from one
unit of measure to another.
Figure 3-9. Field Strength Measurement (1 of 2)
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