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Function Reference
Pit Search
For marker search functions, a signal pit is defined as having a fall and then a
rise in the displayed response of at least the pit excursion value. Reducing the
pit excursion to values less than 3 dB may cause the marker-pitting functions
to identify noise spikes as pits. To reduce the noise floor variance to a value
less than the pit excursion rate, try changing the reference level at the top of
the graticule and increasing sensitivity.
Key Path
Markers > Marker Setup > Pit Excursion
Related Functions
Marker Search Threshold
Remote
CALCulate[1|2|3|4|5|6]:MARKer[1|2|3|4]:PEXCursion:PIT
Commands
Pit Search
Places a marker on the lowest amplitude trace point which meets the pit
excursion criteria. If no marker is on, Marker #1 will be used for the pit search.
Key Path
Markers > More Marker Functions > Marker Search Menu > Search Mode Pit
> Pit Search
Remote
CALCulate[1|2|3|4|5|6]:MARKer[1|2|3|4]:MINimum
Commands
Precision Sweep Mode
Precision mode offers the most accurate sweep setting to use if you are con-
cerned about wavelength and amplitude accuracy for final filter test applica-
tions. However, the increased accuracy also increases the sweep time.
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