Spectrum Analyzer Measurements 3-17 PIM/Interference (Option 24)
Spectrum Analyzer MG PN: 10580-00447 Rev. H 3-83
• Set the MAX LEVEL and MIN LEVEL for the audio pitch response of the measurement. Note that
these settings can also be dragged into position using the indicator bars in the display panel.
• Set the desired volume level. Note that the audio level can also be set from the left side status
menu.
Interference Finder (Option 24) is a constant measurement; after it is turned on, it remains on until a different
measurement is selected or the sweep is paused. Signal power and a corresponding audio pitch is calculated at
the end of each sweep.
Note
Some directional antennas have a narrower null than their forward beam width; therefore, it may be
more precise to find the null at the back of the directional antenna to determine the direction of the
interfering signal. In this case, you would look for the lowest signal level and the corresponding audio
would have the lowest pitch.
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