Agilent Technologies 8753ET User Manual page 406

Operating Concepts
Noise Reduction Techniques
Figure 7-20 IF Bandwidth Reduction
NOTE Hints
Another capability that can be used for effective noise reduction is the marker statistics
function, which computes the average value of part or all of the formatted trace.
If your instrument is equipped with Option 014 (High Power System), another way of
increasing dynamic range is to increase the input power to the test device using a booster
amplifier.
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